Home / 258,428.02-356,701.20-167,779.30

Finding the Fourth Proportional to 258,428.02, 356,701.20 and 167,779.30

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Solution

The fourth proportional to 258,428.02, 356,701.20 and 167,779.30 is: 231,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,428.02 : 356,701.20 = 167,779.30 : x
  2. Step 2: Convert to fraction form
    258,428.02/356,701.20 = 167,779.30/x
  3. Step 3: Cross multiply
    258,428.02x = 356,701.20 × 167,779.30
  4. Step 4: Simplify right side
    258,428.02x = 59,847,077,645.16
  5. Step 5: Solve for x
    x = 59,847,077,645.16/258,428.02
  6. Step 6: Final answer
    x = 231,581.23

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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.