Home / 242,309.37-334,490.31-172,503.66

Finding the Fourth Proportional to 242,309.37, 334,490.31 and 172,503.66

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Solution

The fourth proportional to 242,309.37, 334,490.31 and 172,503.66 is: 238,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,309.37 : 334,490.31 = 172,503.66 : x
  2. Step 2: Convert to fraction form
    242,309.37/334,490.31 = 172,503.66/x
  3. Step 3: Cross multiply
    242,309.37x = 334,490.31 × 172,503.66
  4. Step 4: Simplify right side
    242,309.37x = 57,700,802,082.37
  5. Step 5: Solve for x
    x = 57,700,802,082.37/242,309.37
  6. Step 6: Final answer
    x = 238,128.65

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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.