Home / 245,779.65-368,812.77-103,616.22

Finding the Fourth Proportional to 245,779.65, 368,812.77 and 103,616.22

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Solution

The fourth proportional to 245,779.65, 368,812.77 and 103,616.22 is: 155,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,779.65 : 368,812.77 = 103,616.22 : x
  2. Step 2: Convert to fraction form
    245,779.65/368,812.77 = 103,616.22/x
  3. Step 3: Cross multiply
    245,779.65x = 368,812.77 × 103,616.22
  4. Step 4: Simplify right side
    245,779.65x = 38,214,985,115.13
  5. Step 5: Solve for x
    x = 38,214,985,115.13/245,779.65
  6. Step 6: Final answer
    x = 155,484.74

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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.