Home / 202,038.04-278,931.96-179,620

Finding the Fourth Proportional to 202,038.04, 278,931.96 and 179,620

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Solution

The fourth proportional to 202,038.04, 278,931.96 and 179,620 is: 247,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,038.04 : 278,931.96 = 179,620 : x
  2. Step 2: Convert to fraction form
    202,038.04/278,931.96 = 179,620/x
  3. Step 3: Cross multiply
    202,038.04x = 278,931.96 × 179,620
  4. Step 4: Simplify right side
    202,038.04x = 50,101,758,655.20
  5. Step 5: Solve for x
    x = 50,101,758,655.20/202,038.04
  6. Step 6: Final answer
    x = 247,981.81

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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.