Home / 818,172.50-1,227,328.74-249,681.49

Finding the Fourth Proportional to 818,172.50, 1,227,328.74 and 249,681.49

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Solution

The fourth proportional to 818,172.50, 1,227,328.74 and 249,681.49 is: 374,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,172.50 : 1,227,328.74 = 249,681.49 : x
  2. Step 2: Convert to fraction form
    818,172.50/1,227,328.74 = 249,681.49/x
  3. Step 3: Cross multiply
    818,172.50x = 1,227,328.74 × 249,681.49
  4. Step 4: Simplify right side
    818,172.50x = 306,441,265,454.70
  5. Step 5: Solve for x
    x = 306,441,265,454.70/818,172.50
  6. Step 6: Final answer
    x = 374,543.59

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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.