Home / 328,681.29-493,095.69-104,055.15

Finding the Fourth Proportional to 328,681.29, 493,095.69 and 104,055.15

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Solution

The fourth proportional to 328,681.29, 493,095.69 and 104,055.15 is: 156,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,681.29 : 493,095.69 = 104,055.15 : x
  2. Step 2: Convert to fraction form
    328,681.29/493,095.69 = 104,055.15/x
  3. Step 3: Cross multiply
    328,681.29x = 493,095.69 × 104,055.15
  4. Step 4: Simplify right side
    328,681.29x = 51,309,145,987.30
  5. Step 5: Solve for x
    x = 51,309,145,987.30/328,681.29
  6. Step 6: Final answer
    x = 156,106.07

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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.