Home / 431,877.12-595,977.60-240,886.20

Finding the Fourth Proportional to 431,877.12, 595,977.60 and 240,886.20

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Solution

The fourth proportional to 431,877.12, 595,977.60 and 240,886.20 is: 332,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,877.12 : 595,977.60 = 240,886.20 : x
  2. Step 2: Convert to fraction form
    431,877.12/595,977.60 = 240,886.20/x
  3. Step 3: Cross multiply
    431,877.12x = 595,977.60 × 240,886.20
  4. Step 4: Simplify right side
    431,877.12x = 143,562,779,349.12
  5. Step 5: Solve for x
    x = 143,562,779,349.12/431,877.12
  6. Step 6: Final answer
    x = 332,415.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.