Home / 288,922.56-433,088.40-99,326.04

Finding the Fourth Proportional to 288,922.56, 433,088.40 and 99,326.04

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Solution

The fourth proportional to 288,922.56, 433,088.40 and 99,326.04 is: 148,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,922.56 : 433,088.40 = 99,326.04 : x
  2. Step 2: Convert to fraction form
    288,922.56/433,088.40 = 99,326.04/x
  3. Step 3: Cross multiply
    288,922.56x = 433,088.40 × 99,326.04
  4. Step 4: Simplify right side
    288,922.56x = 43,016,955,741.94
  5. Step 5: Solve for x
    x = 43,016,955,741.94/288,922.56
  6. Step 6: Final answer
    x = 148,887.49

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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.