Home / 288,151.49-432,531.59-161,899.62

Finding the Fourth Proportional to 288,151.49, 432,531.59 and 161,899.62

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Solution

The fourth proportional to 288,151.49, 432,531.59 and 161,899.62 is: 243,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,151.49 : 432,531.59 = 161,899.62 : x
  2. Step 2: Convert to fraction form
    288,151.49/432,531.59 = 161,899.62/x
  3. Step 3: Cross multiply
    288,151.49x = 432,531.59 × 161,899.62
  4. Step 4: Simplify right side
    288,151.49x = 70,026,702,085.74
  5. Step 5: Solve for x
    x = 70,026,702,085.74/288,151.49
  6. Step 6: Final answer
    x = 243,020.44

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1.5x scale

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.