Home / 279,341.08-385,479.21-152,017.18

Finding the Fourth Proportional to 279,341.08, 385,479.21 and 152,017.18

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Solution

The fourth proportional to 279,341.08, 385,479.21 and 152,017.18 is: 209,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,341.08 : 385,479.21 = 152,017.18 : x
  2. Step 2: Convert to fraction form
    279,341.08/385,479.21 = 152,017.18/x
  3. Step 3: Cross multiply
    279,341.08x = 385,479.21 × 152,017.18
  4. Step 4: Simplify right side
    279,341.08x = 58,599,462,452.83
  5. Step 5: Solve for x
    x = 58,599,462,452.83/279,341.08
  6. Step 6: Final answer
    x = 209,777.46

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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.