Home / 315,070.24-434,779.59-179,085.28

Finding the Fourth Proportional to 315,070.24, 434,779.59 and 179,085.28

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Solution

The fourth proportional to 315,070.24, 434,779.59 and 179,085.28 is: 247,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,070.24 : 434,779.59 = 179,085.28 : x
  2. Step 2: Convert to fraction form
    315,070.24/434,779.59 = 179,085.28/x
  3. Step 3: Cross multiply
    315,070.24x = 434,779.59 × 179,085.28
  4. Step 4: Simplify right side
    315,070.24x = 77,862,624,613.44
  5. Step 5: Solve for x
    x = 77,862,624,613.44/315,070.24
  6. Step 6: Final answer
    x = 247,127.83

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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.