Home / 343,121.36-514,787.88-153,741.20

Finding the Fourth Proportional to 343,121.36, 514,787.88 and 153,741.20

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Solution

The fourth proportional to 343,121.36, 514,787.88 and 153,741.20 is: 230,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,121.36 : 514,787.88 = 153,741.20 : x
  2. Step 2: Convert to fraction form
    343,121.36/514,787.88 = 153,741.20/x
  3. Step 3: Cross multiply
    343,121.36x = 514,787.88 × 153,741.20
  4. Step 4: Simplify right side
    343,121.36x = 79,144,106,416.66
  5. Step 5: Solve for x
    x = 79,144,106,416.66/343,121.36
  6. Step 6: Final answer
    x = 230,659.22

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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.