Home / 343,312.49-514,947.97-153,721.94

Finding the Fourth Proportional to 343,312.49, 514,947.97 and 153,721.94

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Solution

The fourth proportional to 343,312.49, 514,947.97 and 153,721.94 is: 230,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,312.49 : 514,947.97 = 153,721.94 : x
  2. Step 2: Convert to fraction form
    343,312.49/514,947.97 = 153,721.94/x
  3. Step 3: Cross multiply
    343,312.49x = 514,947.97 × 153,721.94
  4. Step 4: Simplify right side
    343,312.49x = 79,158,798,564.87
  5. Step 5: Solve for x
    x = 79,158,798,564.87/343,312.49
  6. Step 6: Final answer
    x = 230,573.60

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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.