Home / 284,699.03-392,869.32-157,367.03

Finding the Fourth Proportional to 284,699.03, 392,869.32 and 157,367.03

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Solution

The fourth proportional to 284,699.03, 392,869.32 and 157,367.03 is: 217,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,699.03 : 392,869.32 = 157,367.03 : x
  2. Step 2: Convert to fraction form
    284,699.03/392,869.32 = 157,367.03/x
  3. Step 3: Cross multiply
    284,699.03x = 392,869.32 × 157,367.03
  4. Step 4: Simplify right side
    284,699.03x = 61,824,678,066.52
  5. Step 5: Solve for x
    x = 61,824,678,066.52/284,699.03
  6. Step 6: Final answer
    x = 217,158.02

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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.