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Finding the Fourth Proportional to 346,797.95, 520,196.91 and 97,479.95

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Solution

The fourth proportional to 346,797.95, 520,196.91 and 97,479.95 is: 146,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,797.95 : 520,196.91 = 97,479.95 : x
  2. Step 2: Convert to fraction form
    346,797.95/520,196.91 = 97,479.95/x
  3. Step 3: Cross multiply
    346,797.95x = 520,196.91 × 97,479.95
  4. Step 4: Simplify right side
    346,797.95x = 50,708,766,175.97
  5. Step 5: Solve for x
    x = 50,708,766,175.97/346,797.95
  6. Step 6: Final answer
    x = 146,219.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.