Home / 284,145.90-392,172.18-169,431.93

Finding the Fourth Proportional to 284,145.90, 392,172.18 and 169,431.93

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Solution

The fourth proportional to 284,145.90, 392,172.18 and 169,431.93 is: 233,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,145.90 : 392,172.18 = 169,431.93 : x
  2. Step 2: Convert to fraction form
    284,145.90/392,172.18 = 169,431.93/x
  3. Step 3: Cross multiply
    284,145.90x = 392,172.18 × 169,431.93
  4. Step 4: Simplify right side
    284,145.90x = 66,446,489,349.71
  5. Step 5: Solve for x
    x = 66,446,489,349.71/284,145.90
  6. Step 6: Final answer
    x = 233,846.38

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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.