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Finding the Fourth Proportional to 615,238.74, 922,950.37 and 215,809.17

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Solution

The fourth proportional to 615,238.74, 922,950.37 and 215,809.17 is: 323,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,238.74 : 922,950.37 = 215,809.17 : x
  2. Step 2: Convert to fraction form
    615,238.74/922,950.37 = 215,809.17/x
  3. Step 3: Cross multiply
    615,238.74x = 922,950.37 × 215,809.17
  4. Step 4: Simplify right side
    615,238.74x = 199,181,148,146.62
  5. Step 5: Solve for x
    x = 199,181,148,146.62/615,238.74
  6. Step 6: Final answer
    x = 323,746.11

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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.