Home / 279,088.04-385,094.78-164,389.52

Finding the Fourth Proportional to 279,088.04, 385,094.78 and 164,389.52

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Solution

The fourth proportional to 279,088.04, 385,094.78 and 164,389.52 is: 226,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,088.04 : 385,094.78 = 164,389.52 : x
  2. Step 2: Convert to fraction form
    279,088.04/385,094.78 = 164,389.52/x
  3. Step 3: Cross multiply
    279,088.04x = 385,094.78 × 164,389.52
  4. Step 4: Simplify right side
    279,088.04x = 63,305,545,216.76
  5. Step 5: Solve for x
    x = 63,305,545,216.76/279,088.04
  6. Step 6: Final answer
    x = 226,830.02

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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.