Home / 346,538.70-520,002.45-146,825.10

Finding the Fourth Proportional to 346,538.70, 520,002.45 and 146,825.10

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Solution

The fourth proportional to 346,538.70, 520,002.45 and 146,825.10 is: 220,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,538.70 : 520,002.45 = 146,825.10 : x
  2. Step 2: Convert to fraction form
    346,538.70/520,002.45 = 146,825.10/x
  3. Step 3: Cross multiply
    346,538.70x = 520,002.45 × 146,825.10
  4. Step 4: Simplify right side
    346,538.70x = 76,349,411,721.50
  5. Step 5: Solve for x
    x = 76,349,411,721.50/346,538.70
  6. Step 6: Final answer
    x = 220,320.02

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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.