Home / 258,995.18-357,429.77-157,030.40

Finding the Fourth Proportional to 258,995.18, 357,429.77 and 157,030.40

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Solution

The fourth proportional to 258,995.18, 357,429.77 and 157,030.40 is: 216,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,995.18 : 357,429.77 = 157,030.40 : x
  2. Step 2: Convert to fraction form
    258,995.18/357,429.77 = 157,030.40/x
  3. Step 3: Cross multiply
    258,995.18x = 357,429.77 × 157,030.40
  4. Step 4: Simplify right side
    258,995.18x = 56,127,339,755.01
  5. Step 5: Solve for x
    x = 56,127,339,755.01/258,995.18
  6. Step 6: Final answer
    x = 216,711.91

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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.