Home / 346,869.70-520,045.35-189,276.10

Finding the Fourth Proportional to 346,869.70, 520,045.35 and 189,276.10

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Solution

The fourth proportional to 346,869.70, 520,045.35 and 189,276.10 is: 283,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,869.70 : 520,045.35 = 189,276.10 : x
  2. Step 2: Convert to fraction form
    346,869.70/520,045.35 = 189,276.10/x
  3. Step 3: Cross multiply
    346,869.70x = 520,045.35 × 189,276.10
  4. Step 4: Simplify right side
    346,869.70x = 98,432,155,671.14
  5. Step 5: Solve for x
    x = 98,432,155,671.14/346,869.70
  6. Step 6: Final answer
    x = 283,772.71

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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.