Home / 369,983.07-554,749.87-145,074.04

Finding the Fourth Proportional to 369,983.07, 554,749.87 and 145,074.04

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Solution

The fourth proportional to 369,983.07, 554,749.87 and 145,074.04 is: 217,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,983.07 : 554,749.87 = 145,074.04 : x
  2. Step 2: Convert to fraction form
    369,983.07/554,749.87 = 145,074.04/x
  3. Step 3: Cross multiply
    369,983.07x = 554,749.87 × 145,074.04
  4. Step 4: Simplify right side
    369,983.07x = 80,479,804,830.37
  5. Step 5: Solve for x
    x = 80,479,804,830.37/369,983.07
  6. Step 6: Final answer
    x = 217,522.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.