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Finding the Fourth Proportional to 445,994.61, 615,472.98 and 242,045.57

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Solution

The fourth proportional to 445,994.61, 615,472.98 and 242,045.57 is: 334,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,994.61 : 615,472.98 = 242,045.57 : x
  2. Step 2: Convert to fraction form
    445,994.61/615,472.98 = 242,045.57/x
  3. Step 3: Cross multiply
    445,994.61x = 615,472.98 × 242,045.57
  4. Step 4: Simplify right side
    445,994.61x = 148,972,506,794.18
  5. Step 5: Solve for x
    x = 148,972,506,794.18/445,994.61
  6. Step 6: Final answer
    x = 334,023.11

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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.