Home / 261,384.12-360,655-170,873.28

Finding the Fourth Proportional to 261,384.12, 360,655 and 170,873.28

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Solution

The fourth proportional to 261,384.12, 360,655 and 170,873.28 is: 235,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,384.12 : 360,655 = 170,873.28 : x
  2. Step 2: Convert to fraction form
    261,384.12/360,655 = 170,873.28/x
  3. Step 3: Cross multiply
    261,384.12x = 360,655 × 170,873.28
  4. Step 4: Simplify right side
    261,384.12x = 61,626,302,798.40
  5. Step 5: Solve for x
    x = 61,626,302,798.40/261,384.12
  6. Step 6: Final answer
    x = 235,769.12

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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.