Home / 288,002.05-432,003.08-254,176.45

Finding the Fourth Proportional to 288,002.05, 432,003.08 and 254,176.45

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Solution

The fourth proportional to 288,002.05, 432,003.08 and 254,176.45 is: 381,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,002.05 : 432,003.08 = 254,176.45 : x
  2. Step 2: Convert to fraction form
    288,002.05/432,003.08 = 254,176.45/x
  3. Step 3: Cross multiply
    288,002.05x = 432,003.08 × 254,176.45
  4. Step 4: Simplify right side
    288,002.05x = 109,805,009,263.47
  5. Step 5: Solve for x
    x = 109,805,009,263.47/288,002.05
  6. Step 6: Final answer
    x = 381,264.68

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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.