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Finding the Fourth Proportional to 265,457.64, 366,332.04 and 158,031.39

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Solution

The fourth proportional to 265,457.64, 366,332.04 and 158,031.39 is: 218,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,457.64 : 366,332.04 = 158,031.39 : x
  2. Step 2: Convert to fraction form
    265,457.64/366,332.04 = 158,031.39/x
  3. Step 3: Cross multiply
    265,457.64x = 366,332.04 × 158,031.39
  4. Step 4: Simplify right side
    265,457.64x = 57,891,961,482.74
  5. Step 5: Solve for x
    x = 57,891,961,482.74/265,457.64
  6. Step 6: Final answer
    x = 218,083.61

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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.