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Finding the Fourth Proportional to 288,297.30, 432,445.94 and 75,064.59

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Solution

The fourth proportional to 288,297.30, 432,445.94 and 75,064.59 is: 112,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,297.30 : 432,445.94 = 75,064.59 : x
  2. Step 2: Convert to fraction form
    288,297.30/432,445.94 = 75,064.59/x
  3. Step 3: Cross multiply
    288,297.30x = 432,445.94 × 75,064.59
  4. Step 4: Simplify right side
    288,297.30x = 32,461,378,162.26
  5. Step 5: Solve for x
    x = 32,461,378,162.26/288,297.30
  6. Step 6: Final answer
    x = 112,596.89

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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.