Home / 347,267.08-520,920.78-134,036.20

Finding the Fourth Proportional to 347,267.08, 520,920.78 and 134,036.20

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Solution

The fourth proportional to 347,267.08, 520,920.78 and 134,036.20 is: 201,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,267.08 : 520,920.78 = 134,036.20 : x
  2. Step 2: Convert to fraction form
    347,267.08/520,920.78 = 134,036.20/x
  3. Step 3: Cross multiply
    347,267.08x = 520,920.78 × 134,036.20
  4. Step 4: Simplify right side
    347,267.08x = 69,822,241,852.24
  5. Step 5: Solve for x
    x = 69,822,241,852.24/347,267.08
  6. Step 6: Final answer
    x = 201,062.08

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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.