Home / 288,528.17-432,825.06-99,002.75

Finding the Fourth Proportional to 288,528.17, 432,825.06 and 99,002.75

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Solution

The fourth proportional to 288,528.17, 432,825.06 and 99,002.75 is: 148,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,528.17 : 432,825.06 = 99,002.75 : x
  2. Step 2: Convert to fraction form
    288,528.17/432,825.06 = 99,002.75/x
  3. Step 3: Cross multiply
    288,528.17x = 432,825.06 × 99,002.75
  4. Step 4: Simplify right side
    288,528.17x = 42,850,871,208.92
  5. Step 5: Solve for x
    x = 42,850,871,208.92/288,528.17
  6. Step 6: Final answer
    x = 148,515.38

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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.