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Finding the Fourth Proportional to 347,875.68, 480,298.68 and 267,158.34

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Solution

The fourth proportional to 347,875.68, 480,298.68 and 267,158.34 is: 368,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,875.68 : 480,298.68 = 267,158.34 : x
  2. Step 2: Convert to fraction form
    347,875.68/480,298.68 = 267,158.34/x
  3. Step 3: Cross multiply
    347,875.68x = 480,298.68 × 267,158.34
  4. Step 4: Simplify right side
    347,875.68x = 128,315,798,052.99
  5. Step 5: Solve for x
    x = 128,315,798,052.99/347,875.68
  6. Step 6: Final answer
    x = 368,855.33

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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.