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Finding the Fourth Proportional to 350,002.60, 524,658.30 and 172,364.20

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Solution

The fourth proportional to 350,002.60, 524,658.30 and 172,364.20 is: 258,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,002.60 : 524,658.30 = 172,364.20 : x
  2. Step 2: Convert to fraction form
    350,002.60/524,658.30 = 172,364.20/x
  3. Step 3: Cross multiply
    350,002.60x = 524,658.30 × 172,364.20
  4. Step 4: Simplify right side
    350,002.60x = 90,432,308,152.86
  5. Step 5: Solve for x
    x = 90,432,308,152.86/350,002.60
  6. Step 6: Final answer
    x = 258,376.10

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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.