Home / 472,223.06-651,685.40-268,308.55

Finding the Fourth Proportional to 472,223.06, 651,685.40 and 268,308.55

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Solution

The fourth proportional to 472,223.06, 651,685.40 and 268,308.55 is: 370,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,223.06 : 651,685.40 = 268,308.55 : x
  2. Step 2: Convert to fraction form
    472,223.06/651,685.40 = 268,308.55/x
  3. Step 3: Cross multiply
    472,223.06x = 651,685.40 × 268,308.55
  4. Step 4: Simplify right side
    472,223.06x = 174,852,764,730.17
  5. Step 5: Solve for x
    x = 174,852,764,730.17/472,223.06
  6. Step 6: Final answer
    x = 370,275.79

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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.