Home / 342,979.12-514,448.76-103,087.84

Finding the Fourth Proportional to 342,979.12, 514,448.76 and 103,087.84

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Solution

The fourth proportional to 342,979.12, 514,448.76 and 103,087.84 is: 154,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,979.12 : 514,448.76 = 103,087.84 : x
  2. Step 2: Convert to fraction form
    342,979.12/514,448.76 = 103,087.84/x
  3. Step 3: Cross multiply
    342,979.12x = 514,448.76 × 103,087.84
  4. Step 4: Simplify right side
    342,979.12x = 53,033,411,459.08
  5. Step 5: Solve for x
    x = 53,033,411,459.08/342,979.12
  6. Step 6: Final answer
    x = 154,625.77

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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.