Home / 279,681.04-419,196.07-159,822.01

Finding the Fourth Proportional to 279,681.04, 419,196.07 and 159,822.01

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Solution

The fourth proportional to 279,681.04, 419,196.07 and 159,822.01 is: 239,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,681.04 : 419,196.07 = 159,822.01 : x
  2. Step 2: Convert to fraction form
    279,681.04/419,196.07 = 159,822.01/x
  3. Step 3: Cross multiply
    279,681.04x = 419,196.07 × 159,822.01
  4. Step 4: Simplify right side
    279,681.04x = 66,996,758,491.50
  5. Step 5: Solve for x
    x = 66,996,758,491.50/279,681.04
  6. Step 6: Final answer
    x = 239,547.02

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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.