Home / 247,875.40-342,130.26-140,509.50

Finding the Fourth Proportional to 247,875.40, 342,130.26 and 140,509.50

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Solution

The fourth proportional to 247,875.40, 342,130.26 and 140,509.50 is: 193,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,875.40 : 342,130.26 = 140,509.50 : x
  2. Step 2: Convert to fraction form
    247,875.40/342,130.26 = 140,509.50/x
  3. Step 3: Cross multiply
    247,875.40x = 342,130.26 × 140,509.50
  4. Step 4: Simplify right side
    247,875.40x = 48,072,551,767.47
  5. Step 5: Solve for x
    x = 48,072,551,767.47/247,875.40
  6. Step 6: Final answer
    x = 193,938.37

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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.