Home / 537,418.18-805,997.40-158,235.72

Finding the Fourth Proportional to 537,418.18, 805,997.40 and 158,235.72

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Solution

The fourth proportional to 537,418.18, 805,997.40 and 158,235.72 is: 237,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,418.18 : 805,997.40 = 158,235.72 : x
  2. Step 2: Convert to fraction form
    537,418.18/805,997.40 = 158,235.72/x
  3. Step 3: Cross multiply
    537,418.18x = 805,997.40 × 158,235.72
  4. Step 4: Simplify right side
    537,418.18x = 127,537,578,907.13
  5. Step 5: Solve for x
    x = 127,537,578,907.13/537,418.18
  6. Step 6: Final answer
    x = 237,315.34

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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.