Home / 346,111.20-519,166.80-245,727.90

Finding the Fourth Proportional to 346,111.20, 519,166.80 and 245,727.90

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Solution

The fourth proportional to 346,111.20, 519,166.80 and 245,727.90 is: 368,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,111.20 : 519,166.80 = 245,727.90 : x
  2. Step 2: Convert to fraction form
    346,111.20/519,166.80 = 245,727.90/x
  3. Step 3: Cross multiply
    346,111.20x = 519,166.80 × 245,727.90
  4. Step 4: Simplify right side
    346,111.20x = 127,573,767,513.72
  5. Step 5: Solve for x
    x = 127,573,767,513.72/346,111.20
  6. Step 6: Final answer
    x = 368,591.85

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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.