Home / 362,256.95-543,387.27-212,392.13

Finding the Fourth Proportional to 362,256.95, 543,387.27 and 212,392.13

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Solution

The fourth proportional to 362,256.95, 543,387.27 and 212,392.13 is: 318,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,256.95 : 543,387.27 = 212,392.13 : x
  2. Step 2: Convert to fraction form
    362,256.95/543,387.27 = 212,392.13/x
  3. Step 3: Cross multiply
    362,256.95x = 543,387.27 × 212,392.13
  4. Step 4: Simplify right side
    362,256.95x = 115,411,176,973.25
  5. Step 5: Solve for x
    x = 115,411,176,973.25/362,256.95
  6. Step 6: Final answer
    x = 318,589.27

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1.5x scale

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.