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Finding the Fourth Proportional to 651,242.68, 977,197.59 and 310,072.21

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Solution

The fourth proportional to 651,242.68, 977,197.59 and 310,072.21 is: 465,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,242.68 : 977,197.59 = 310,072.21 : x
  2. Step 2: Convert to fraction form
    651,242.68/977,197.59 = 310,072.21/x
  3. Step 3: Cross multiply
    651,242.68x = 977,197.59 × 310,072.21
  4. Step 4: Simplify right side
    651,242.68x = 303,001,816,337.97
  5. Step 5: Solve for x
    x = 303,001,816,337.97/651,242.68
  6. Step 6: Final answer
    x = 465,267.14

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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.