Home / 351,118.80-526,666.36-140,700.24

Finding the Fourth Proportional to 351,118.80, 526,666.36 and 140,700.24

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Solution

The fourth proportional to 351,118.80, 526,666.36 and 140,700.24 is: 211,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,118.80 : 526,666.36 = 140,700.24 : x
  2. Step 2: Convert to fraction form
    351,118.80/526,666.36 = 140,700.24/x
  3. Step 3: Cross multiply
    351,118.80x = 526,666.36 × 140,700.24
  4. Step 4: Simplify right side
    351,118.80x = 74,102,083,251.93
  5. Step 5: Solve for x
    x = 74,102,083,251.93/351,118.80
  6. Step 6: Final answer
    x = 211,045.62

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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.