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Finding the Fourth Proportional to 288,178.39, 432,267.58 and 147,847.51

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Solution

The fourth proportional to 288,178.39, 432,267.58 and 147,847.51 is: 221,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,178.39 : 432,267.58 = 147,847.51 : x
  2. Step 2: Convert to fraction form
    288,178.39/432,267.58 = 147,847.51/x
  3. Step 3: Cross multiply
    288,178.39x = 432,267.58 × 147,847.51
  4. Step 4: Simplify right side
    288,178.39x = 63,909,683,195.39
  5. Step 5: Solve for x
    x = 63,909,683,195.39/288,178.39
  6. Step 6: Final answer
    x = 221,771.26

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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.