Home / 360,675.22-498,155.28-288,328.66

Finding the Fourth Proportional to 360,675.22, 498,155.28 and 288,328.66

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Solution

The fourth proportional to 360,675.22, 498,155.28 and 288,328.66 is: 398,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,675.22 : 498,155.28 = 288,328.66 : x
  2. Step 2: Convert to fraction form
    360,675.22/498,155.28 = 288,328.66/x
  3. Step 3: Cross multiply
    360,675.22x = 498,155.28 × 288,328.66
  4. Step 4: Simplify right side
    360,675.22x = 143,632,444,354.33
  5. Step 5: Solve for x
    x = 143,632,444,354.33/360,675.22
  6. Step 6: Final answer
    x = 398,232.08

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1.5x scale

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.