Home / 349,927.60-524,891.40-208,001.20

Finding the Fourth Proportional to 349,927.60, 524,891.40 and 208,001.20

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Solution

The fourth proportional to 349,927.60, 524,891.40 and 208,001.20 is: 312,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,927.60 : 524,891.40 = 208,001.20 : x
  2. Step 2: Convert to fraction form
    349,927.60/524,891.40 = 208,001.20/x
  3. Step 3: Cross multiply
    349,927.60x = 524,891.40 × 208,001.20
  4. Step 4: Simplify right side
    349,927.60x = 109,178,041,069.68
  5. Step 5: Solve for x
    x = 109,178,041,069.68/349,927.60
  6. Step 6: Final answer
    x = 312,001.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.