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Finding the Fourth Proportional to 348,328.92, 480,693.77 and 203,106.68

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Solution

The fourth proportional to 348,328.92, 480,693.77 and 203,106.68 is: 280,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,328.92 : 480,693.77 = 203,106.68 : x
  2. Step 2: Convert to fraction form
    348,328.92/480,693.77 = 203,106.68/x
  3. Step 3: Cross multiply
    348,328.92x = 480,693.77 × 203,106.68
  4. Step 4: Simplify right side
    348,328.92x = 97,632,112,302.38
  5. Step 5: Solve for x
    x = 97,632,112,302.38/348,328.92
  6. Step 6: Final answer
    x = 280,287.13

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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.