Home / 421,426.95-581,521.46-249,350.19

Finding the Fourth Proportional to 421,426.95, 581,521.46 and 249,350.19

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Solution

The fourth proportional to 421,426.95, 581,521.46 and 249,350.19 is: 344,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,426.95 : 581,521.46 = 249,350.19 : x
  2. Step 2: Convert to fraction form
    421,426.95/581,521.46 = 249,350.19/x
  3. Step 3: Cross multiply
    421,426.95x = 581,521.46 × 249,350.19
  4. Step 4: Simplify right side
    421,426.95x = 145,002,485,293.33
  5. Step 5: Solve for x
    x = 145,002,485,293.33/421,426.95
  6. Step 6: Final answer
    x = 344,075.02

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1.5x scale

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.