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Finding the Fourth Proportional to 370,465.12, 511,053.96 and 234,269.56

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Solution

The fourth proportional to 370,465.12, 511,053.96 and 234,269.56 is: 323,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,465.12 : 511,053.96 = 234,269.56 : x
  2. Step 2: Convert to fraction form
    370,465.12/511,053.96 = 234,269.56/x
  3. Step 3: Cross multiply
    370,465.12x = 511,053.96 × 234,269.56
  4. Step 4: Simplify right side
    370,465.12x = 119,724,386,345.46
  5. Step 5: Solve for x
    x = 119,724,386,345.46/370,465.12
  6. Step 6: Final answer
    x = 323,173.17

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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.