Home / 346,541.20-520,006.20-146,827.60

Finding the Fourth Proportional to 346,541.20, 520,006.20 and 146,827.60

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Solution

The fourth proportional to 346,541.20, 520,006.20 and 146,827.60 is: 220,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,541.20 : 520,006.20 = 146,827.60 : x
  2. Step 2: Convert to fraction form
    346,541.20/520,006.20 = 146,827.60/x
  3. Step 3: Cross multiply
    346,541.20x = 520,006.20 × 146,827.60
  4. Step 4: Simplify right side
    346,541.20x = 76,351,262,331.12
  5. Step 5: Solve for x
    x = 76,351,262,331.12/346,541.20
  6. Step 6: Final answer
    x = 220,323.77

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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.