Home / 315,269.03-435,081.76-172,036.93

Finding the Fourth Proportional to 315,269.03, 435,081.76 and 172,036.93

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Solution

The fourth proportional to 315,269.03, 435,081.76 and 172,036.93 is: 237,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,269.03 : 435,081.76 = 172,036.93 : x
  2. Step 2: Convert to fraction form
    315,269.03/435,081.76 = 172,036.93/x
  3. Step 3: Cross multiply
    315,269.03x = 435,081.76 × 172,036.93
  4. Step 4: Simplify right side
    315,269.03x = 74,850,130,403.16
  5. Step 5: Solve for x
    x = 74,850,130,403.16/315,269.03
  6. Step 6: Final answer
    x = 237,416.69

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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.