Home / 247,251.19-370,943.36-127,242.76

Finding the Fourth Proportional to 247,251.19, 370,943.36 and 127,242.76

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Solution

The fourth proportional to 247,251.19, 370,943.36 and 127,242.76 is: 190,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,251.19 : 370,943.36 = 127,242.76 : x
  2. Step 2: Convert to fraction form
    247,251.19/370,943.36 = 127,242.76/x
  3. Step 3: Cross multiply
    247,251.19x = 370,943.36 × 127,242.76
  4. Step 4: Simplify right side
    247,251.19x = 47,199,855,075.36
  5. Step 5: Solve for x
    x = 47,199,855,075.36/247,251.19
  6. Step 6: Final answer
    x = 190,898.39

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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.