Home / 272,389.33-375,743.69-163,465.81

Finding the Fourth Proportional to 272,389.33, 375,743.69 and 163,465.81

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Solution

The fourth proportional to 272,389.33, 375,743.69 and 163,465.81 is: 225,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,389.33 : 375,743.69 = 163,465.81 : x
  2. Step 2: Convert to fraction form
    272,389.33/375,743.69 = 163,465.81/x
  3. Step 3: Cross multiply
    272,389.33x = 375,743.69 × 163,465.81
  4. Step 4: Simplify right side
    272,389.33x = 61,421,245,820.91
  5. Step 5: Solve for x
    x = 61,421,245,820.91/272,389.33
  6. Step 6: Final answer
    x = 225,490.65

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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.