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Finding the Fourth Proportional to 675,151.74, 931,671.70 and 369,167.34

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Solution

The fourth proportional to 675,151.74, 931,671.70 and 369,167.34 is: 509,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,151.74 : 931,671.70 = 369,167.34 : x
  2. Step 2: Convert to fraction form
    675,151.74/931,671.70 = 369,167.34/x
  3. Step 3: Cross multiply
    675,151.74x = 931,671.70 × 369,167.34
  4. Step 4: Simplify right side
    675,151.74x = 343,942,763,242.28
  5. Step 5: Solve for x
    x = 343,942,763,242.28/675,151.74
  6. Step 6: Final answer
    x = 509,430.31

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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.