Home / 288,184.41-432,267.38-130,412.86

Finding the Fourth Proportional to 288,184.41, 432,267.38 and 130,412.86

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Solution

The fourth proportional to 288,184.41, 432,267.38 and 130,412.86 is: 195,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,184.41 : 432,267.38 = 130,412.86 : x
  2. Step 2: Convert to fraction form
    288,184.41/432,267.38 = 130,412.86/x
  3. Step 3: Cross multiply
    288,184.41x = 432,267.38 × 130,412.86
  4. Step 4: Simplify right side
    288,184.41x = 56,373,226,016.15
  5. Step 5: Solve for x
    x = 56,373,226,016.15/288,184.41
  6. Step 6: Final answer
    x = 195,615.12

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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.