Home / 310,643.04-465,947.76-100,281

Finding the Fourth Proportional to 310,643.04, 465,947.76 and 100,281

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Solution

The fourth proportional to 310,643.04, 465,947.76 and 100,281 is: 150,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,643.04 : 465,947.76 = 100,281 : x
  2. Step 2: Convert to fraction form
    310,643.04/465,947.76 = 100,281/x
  3. Step 3: Cross multiply
    310,643.04x = 465,947.76 × 100,281
  4. Step 4: Simplify right side
    310,643.04x = 46,725,707,320.56
  5. Step 5: Solve for x
    x = 46,725,707,320.56/310,643.04
  6. Step 6: Final answer
    x = 150,416.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.