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Finding the Fourth Proportional to 364,500.30, 546,750.45 and 258,212.10

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Solution

The fourth proportional to 364,500.30, 546,750.45 and 258,212.10 is: 387,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,500.30 : 546,750.45 = 258,212.10 : x
  2. Step 2: Convert to fraction form
    364,500.30/546,750.45 = 258,212.10/x
  3. Step 3: Cross multiply
    364,500.30x = 546,750.45 × 258,212.10
  4. Step 4: Simplify right side
    364,500.30x = 141,177,581,870.45
  5. Step 5: Solve for x
    x = 141,177,581,870.45/364,500.30
  6. Step 6: Final answer
    x = 387,318.15

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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.