Home / 288,923.56-433,089.90-99,327.04

Finding the Fourth Proportional to 288,923.56, 433,089.90 and 99,327.04

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Solution

The fourth proportional to 288,923.56, 433,089.90 and 99,327.04 is: 148,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,923.56 : 433,089.90 = 99,327.04 : x
  2. Step 2: Convert to fraction form
    288,923.56/433,089.90 = 99,327.04/x
  3. Step 3: Cross multiply
    288,923.56x = 433,089.90 × 99,327.04
  4. Step 4: Simplify right side
    288,923.56x = 43,017,537,820.90
  5. Step 5: Solve for x
    x = 43,017,537,820.90/288,923.56
  6. Step 6: Final answer
    x = 148,888.99

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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.