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Finding the Fourth Proportional to 265,245.36, 366,038.34 and 144,386.46

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Solution

The fourth proportional to 265,245.36, 366,038.34 and 144,386.46 is: 199,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,245.36 : 366,038.34 = 144,386.46 : x
  2. Step 2: Convert to fraction form
    265,245.36/366,038.34 = 144,386.46/x
  3. Step 3: Cross multiply
    265,245.36x = 366,038.34 × 144,386.46
  4. Step 4: Simplify right side
    265,245.36x = 52,850,980,136.88
  5. Step 5: Solve for x
    x = 52,850,980,136.88/265,245.36
  6. Step 6: Final answer
    x = 199,253.18

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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.