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Finding the Fourth Proportional to 369,708.47, 510,073.62 and 301,607.72

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Solution

The fourth proportional to 369,708.47, 510,073.62 and 301,607.72 is: 416,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,708.47 : 510,073.62 = 301,607.72 : x
  2. Step 2: Convert to fraction form
    369,708.47/510,073.62 = 301,607.72/x
  3. Step 3: Cross multiply
    369,708.47x = 510,073.62 × 301,607.72
  4. Step 4: Simplify right side
    369,708.47x = 153,842,141,704.50
  5. Step 5: Solve for x
    x = 153,842,141,704.50/369,708.47
  6. Step 6: Final answer
    x = 416,117.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.