Home / 307,828.80-461,743.20-97,466.40

Finding the Fourth Proportional to 307,828.80, 461,743.20 and 97,466.40

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Solution

The fourth proportional to 307,828.80, 461,743.20 and 97,466.40 is: 146,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,828.80 : 461,743.20 = 97,466.40 : x
  2. Step 2: Convert to fraction form
    307,828.80/461,743.20 = 97,466.40/x
  3. Step 3: Cross multiply
    307,828.80x = 461,743.20 × 97,466.40
  4. Step 4: Simplify right side
    307,828.80x = 45,004,447,428.48
  5. Step 5: Solve for x
    x = 45,004,447,428.48/307,828.80
  6. Step 6: Final answer
    x = 146,199.60

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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.