Home / 305,068.20-457,688.70-94,727.40

Finding the Fourth Proportional to 305,068.20, 457,688.70 and 94,727.40

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Solution

The fourth proportional to 305,068.20, 457,688.70 and 94,727.40 is: 142,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,068.20 : 457,688.70 = 94,727.40 : x
  2. Step 2: Convert to fraction form
    305,068.20/457,688.70 = 94,727.40/x
  3. Step 3: Cross multiply
    305,068.20x = 457,688.70 × 94,727.40
  4. Step 4: Simplify right side
    305,068.20x = 43,355,660,560.38
  5. Step 5: Solve for x
    x = 43,355,660,560.38/305,068.20
  6. Step 6: Final answer
    x = 142,117.93

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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.