Home / 419,172.02-578,367.69-249,372.98

Finding the Fourth Proportional to 419,172.02, 578,367.69 and 249,372.98

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Solution

The fourth proportional to 419,172.02, 578,367.69 and 249,372.98 is: 344,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,172.02 : 578,367.69 = 249,372.98 : x
  2. Step 2: Convert to fraction form
    419,172.02/578,367.69 = 249,372.98/x
  3. Step 3: Cross multiply
    419,172.02x = 578,367.69 × 249,372.98
  4. Step 4: Simplify right side
    419,172.02x = 144,229,274,391.02
  5. Step 5: Solve for x
    x = 144,229,274,391.02/419,172.02
  6. Step 6: Final answer
    x = 344,081.35

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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.