Home / 258,948.12-357,459-174,114.36

Finding the Fourth Proportional to 258,948.12, 357,459 and 174,114.36

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Solution

The fourth proportional to 258,948.12, 357,459 and 174,114.36 is: 240,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,948.12 : 357,459 = 174,114.36 : x
  2. Step 2: Convert to fraction form
    258,948.12/357,459 = 174,114.36/x
  3. Step 3: Cross multiply
    258,948.12x = 357,459 × 174,114.36
  4. Step 4: Simplify right side
    258,948.12x = 62,238,745,011.24
  5. Step 5: Solve for x
    x = 62,238,745,011.24/258,948.12
  6. Step 6: Final answer
    x = 240,352.18

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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.