Home / 288,528.70-432,447.45-148,215.10

Finding the Fourth Proportional to 288,528.70, 432,447.45 and 148,215.10

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Solution

The fourth proportional to 288,528.70, 432,447.45 and 148,215.10 is: 222,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,528.70 : 432,447.45 = 148,215.10 : x
  2. Step 2: Convert to fraction form
    288,528.70/432,447.45 = 148,215.10/x
  3. Step 3: Cross multiply
    288,528.70x = 432,447.45 × 148,215.10
  4. Step 4: Simplify right side
    288,528.70x = 64,095,242,046.50
  5. Step 5: Solve for x
    x = 64,095,242,046.50/288,528.70
  6. Step 6: Final answer
    x = 222,145.12

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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.