Home / 346,671.20-478,397.67-193,700

Finding the Fourth Proportional to 346,671.20, 478,397.67 and 193,700

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Solution

The fourth proportional to 346,671.20, 478,397.67 and 193,700 is: 267,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,671.20 : 478,397.67 = 193,700 : x
  2. Step 2: Convert to fraction form
    346,671.20/478,397.67 = 193,700/x
  3. Step 3: Cross multiply
    346,671.20x = 478,397.67 × 193,700
  4. Step 4: Simplify right side
    346,671.20x = 92,665,628,679
  5. Step 5: Solve for x
    x = 92,665,628,679/346,671.20
  6. Step 6: Final answer
    x = 267,301.20

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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.