Home / 284,144.39-392,170.10-169,430.43

Finding the Fourth Proportional to 284,144.39, 392,170.10 and 169,430.43

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Solution

The fourth proportional to 284,144.39, 392,170.10 and 169,430.43 is: 233,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,144.39 : 392,170.10 = 169,430.43 : x
  2. Step 2: Convert to fraction form
    284,144.39/392,170.10 = 169,430.43/x
  3. Step 3: Cross multiply
    284,144.39x = 392,170.10 × 169,430.43
  4. Step 4: Simplify right side
    284,144.39x = 66,445,547,828.99
  5. Step 5: Solve for x
    x = 66,445,547,828.99/284,144.39
  6. Step 6: Final answer
    x = 233,844.31

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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.