Home / 240,430.31-360,678.27-100,156.13

Finding the Fourth Proportional to 240,430.31, 360,678.27 and 100,156.13

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Solution

The fourth proportional to 240,430.31, 360,678.27 and 100,156.13 is: 150,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,430.31 : 360,678.27 = 100,156.13 : x
  2. Step 2: Convert to fraction form
    240,430.31/360,678.27 = 100,156.13/x
  3. Step 3: Cross multiply
    240,430.31x = 360,678.27 × 100,156.13
  4. Step 4: Simplify right side
    240,430.31x = 36,124,139,698.30
  5. Step 5: Solve for x
    x = 36,124,139,698.30/240,430.31
  6. Step 6: Final answer
    x = 150,247.86

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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.