Home / 346,721.30-520,081.95-97,403.30

Finding the Fourth Proportional to 346,721.30, 520,081.95 and 97,403.30

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Solution

The fourth proportional to 346,721.30, 520,081.95 and 97,403.30 is: 146,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,721.30 : 520,081.95 = 97,403.30 : x
  2. Step 2: Convert to fraction form
    346,721.30/520,081.95 = 97,403.30/x
  3. Step 3: Cross multiply
    346,721.30x = 520,081.95 × 97,403.30
  4. Step 4: Simplify right side
    346,721.30x = 50,657,698,200.44
  5. Step 5: Solve for x
    x = 50,657,698,200.44/346,721.30
  6. Step 6: Final answer
    x = 146,104.95

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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.