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Finding the Fourth Proportional to 312,041.70, 468,523.35 and 242,000.10

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Solution

The fourth proportional to 312,041.70, 468,523.35 and 242,000.10 is: 363,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,041.70 : 468,523.35 = 242,000.10 : x
  2. Step 2: Convert to fraction form
    312,041.70/468,523.35 = 242,000.10/x
  3. Step 3: Cross multiply
    312,041.70x = 468,523.35 × 242,000.10
  4. Step 4: Simplify right side
    312,041.70x = 113,382,697,552.34
  5. Step 5: Solve for x
    x = 113,382,697,552.34/312,041.70
  6. Step 6: Final answer
    x = 363,357.52

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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.