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Finding the Fourth Proportional to 350,124.40, 525,820.20 and 306,578.80

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Solution

The fourth proportional to 350,124.40, 525,820.20 and 306,578.80 is: 460,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,124.40 : 525,820.20 = 306,578.80 : x
  2. Step 2: Convert to fraction form
    350,124.40/525,820.20 = 306,578.80/x
  3. Step 3: Cross multiply
    350,124.40x = 525,820.20 × 306,578.80
  4. Step 4: Simplify right side
    350,124.40x = 161,205,325,931.76
  5. Step 5: Solve for x
    x = 161,205,325,931.76/350,124.40
  6. Step 6: Final answer
    x = 460,423.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.