Home / 288,836.64-433,313.28-101,979.36

Finding the Fourth Proportional to 288,836.64, 433,313.28 and 101,979.36

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Solution

The fourth proportional to 288,836.64, 433,313.28 and 101,979.36 is: 152,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,836.64 : 433,313.28 = 101,979.36 : x
  2. Step 2: Convert to fraction form
    288,836.64/433,313.28 = 101,979.36/x
  3. Step 3: Cross multiply
    288,836.64x = 433,313.28 × 101,979.36
  4. Step 4: Simplify right side
    288,836.64x = 44,189,010,973.90
  5. Step 5: Solve for x
    x = 44,189,010,973.90/288,836.64
  6. Step 6: Final answer
    x = 152,989.63

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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.