Home / 360,870.19-498,132.08-209,967.19

Finding the Fourth Proportional to 360,870.19, 498,132.08 and 209,967.19

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Solution

The fourth proportional to 360,870.19, 498,132.08 and 209,967.19 is: 289,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,870.19 : 498,132.08 = 209,967.19 : x
  2. Step 2: Convert to fraction form
    360,870.19/498,132.08 = 209,967.19/x
  3. Step 3: Cross multiply
    360,870.19x = 498,132.08 × 209,967.19
  4. Step 4: Simplify right side
    360,870.19x = 104,591,391,578.67
  5. Step 5: Solve for x
    x = 104,591,391,578.67/360,870.19
  6. Step 6: Final answer
    x = 289,831.07

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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.