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Finding the Fourth Proportional to 265,703, 366,670.14 and 152,562.20

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Solution

The fourth proportional to 265,703, 366,670.14 and 152,562.20 is: 210,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,703 : 366,670.14 = 152,562.20 : x
  2. Step 2: Convert to fraction form
    265,703/366,670.14 = 152,562.20/x
  3. Step 3: Cross multiply
    265,703x = 366,670.14 × 152,562.20
  4. Step 4: Simplify right side
    265,703x = 55,940,003,232.71
  5. Step 5: Solve for x
    x = 55,940,003,232.71/265,703
  6. Step 6: Final answer
    x = 210,535.84

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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.