Home / 291,966.40-437,945.28-158,815.36

Finding the Fourth Proportional to 291,966.40, 437,945.28 and 158,815.36

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Solution

The fourth proportional to 291,966.40, 437,945.28 and 158,815.36 is: 238,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,966.40 : 437,945.28 = 158,815.36 : x
  2. Step 2: Convert to fraction form
    291,966.40/437,945.28 = 158,815.36/x
  3. Step 3: Cross multiply
    291,966.40x = 437,945.28 × 158,815.36
  4. Step 4: Simplify right side
    291,966.40x = 69,552,437,303.50
  5. Step 5: Solve for x
    x = 69,552,437,303.50/291,966.40
  6. Step 6: Final answer
    x = 238,220.69

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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.