Home / 288,839.02-433,268.40-99,297.76

Finding the Fourth Proportional to 288,839.02, 433,268.40 and 99,297.76

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Solution

The fourth proportional to 288,839.02, 433,268.40 and 99,297.76 is: 148,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,839.02 : 433,268.40 = 99,297.76 : x
  2. Step 2: Convert to fraction form
    288,839.02/433,268.40 = 99,297.76/x
  3. Step 3: Cross multiply
    288,839.02x = 433,268.40 × 99,297.76
  4. Step 4: Simplify right side
    288,839.02x = 43,022,581,598.78
  5. Step 5: Solve for x
    x = 43,022,581,598.78/288,839.02
  6. Step 6: Final answer
    x = 148,950.03

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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.