Home / 279,158.84-385,228.08-151,834.52

Finding the Fourth Proportional to 279,158.84, 385,228.08 and 151,834.52

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Solution

The fourth proportional to 279,158.84, 385,228.08 and 151,834.52 is: 209,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,158.84 : 385,228.08 = 151,834.52 : x
  2. Step 2: Convert to fraction form
    279,158.84/385,228.08 = 151,834.52/x
  3. Step 3: Cross multiply
    279,158.84x = 385,228.08 × 151,834.52
  4. Step 4: Simplify right side
    279,158.84x = 58,490,920,617.32
  5. Step 5: Solve for x
    x = 58,490,920,617.32/279,158.84
  6. Step 6: Final answer
    x = 209,525.59

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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.