Home / 346,724.40-520,086.60-169,345.20

Finding the Fourth Proportional to 346,724.40, 520,086.60 and 169,345.20

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Solution

The fourth proportional to 346,724.40, 520,086.60 and 169,345.20 is: 254,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,724.40 : 520,086.60 = 169,345.20 : x
  2. Step 2: Convert to fraction form
    346,724.40/520,086.60 = 169,345.20/x
  3. Step 3: Cross multiply
    346,724.40x = 520,086.60 × 169,345.20
  4. Step 4: Simplify right side
    346,724.40x = 88,074,169,294.32
  5. Step 5: Solve for x
    x = 88,074,169,294.32/346,724.40
  6. Step 6: Final answer
    x = 254,017.80

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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.