Home / 314,734.95-472,299.26-127,746.45

Finding the Fourth Proportional to 314,734.95, 472,299.26 and 127,746.45

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Solution

The fourth proportional to 314,734.95, 472,299.26 and 127,746.45 is: 191,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,734.95 : 472,299.26 = 127,746.45 : x
  2. Step 2: Convert to fraction form
    314,734.95/472,299.26 = 127,746.45/x
  3. Step 3: Cross multiply
    314,734.95x = 472,299.26 × 127,746.45
  4. Step 4: Simplify right side
    314,734.95x = 60,334,553,163.89
  5. Step 5: Solve for x
    x = 60,334,553,163.89/314,734.95
  6. Step 6: Final answer
    x = 191,699.57

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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.