Home / 288,214.30-432,585.13-146,157.62

Finding the Fourth Proportional to 288,214.30, 432,585.13 and 146,157.62

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Solution

The fourth proportional to 288,214.30, 432,585.13 and 146,157.62 is: 219,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,214.30 : 432,585.13 = 146,157.62 : x
  2. Step 2: Convert to fraction form
    288,214.30/432,585.13 = 146,157.62/x
  3. Step 3: Cross multiply
    288,214.30x = 432,585.13 × 146,157.62
  4. Step 4: Simplify right side
    288,214.30x = 63,225,613,048.19
  5. Step 5: Solve for x
    x = 63,225,613,048.19/288,214.30
  6. Step 6: Final answer
    x = 219,370.15

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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.