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Finding the Fourth Proportional to 371,817.54, 513,111.33 and 202,051.62

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Solution

The fourth proportional to 371,817.54, 513,111.33 and 202,051.62 is: 278,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,817.54 : 513,111.33 = 202,051.62 : x
  2. Step 2: Convert to fraction form
    371,817.54/513,111.33 = 202,051.62/x
  3. Step 3: Cross multiply
    371,817.54x = 513,111.33 × 202,051.62
  4. Step 4: Simplify right side
    371,817.54x = 103,674,975,466.86
  5. Step 5: Solve for x
    x = 103,674,975,466.86/371,817.54
  6. Step 6: Final answer
    x = 278,832.93

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1.5x scale

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.