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Finding the Fourth Proportional to 255,802.95, 352,746.02 and 169,731.74

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Solution

The fourth proportional to 255,802.95, 352,746.02 and 169,731.74 is: 234,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,802.95 : 352,746.02 = 169,731.74 : x
  2. Step 2: Convert to fraction form
    255,802.95/352,746.02 = 169,731.74/x
  3. Step 3: Cross multiply
    255,802.95x = 352,746.02 × 169,731.74
  4. Step 4: Simplify right side
    255,802.95x = 59,872,197,058.87
  5. Step 5: Solve for x
    x = 59,872,197,058.87/255,802.95
  6. Step 6: Final answer
    x = 234,055.93

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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.