Home / 342,849.12-473,075.54-215,434.50

Finding the Fourth Proportional to 342,849.12, 473,075.54 and 215,434.50

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Solution

The fourth proportional to 342,849.12, 473,075.54 and 215,434.50 is: 297,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,849.12 : 473,075.54 = 215,434.50 : x
  2. Step 2: Convert to fraction form
    342,849.12/473,075.54 = 215,434.50/x
  3. Step 3: Cross multiply
    342,849.12x = 473,075.54 × 215,434.50
  4. Step 4: Simplify right side
    342,849.12x = 101,916,792,422.13
  5. Step 5: Solve for x
    x = 101,916,792,422.13/342,849.12
  6. Step 6: Final answer
    x = 297,264.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.