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Finding the Fourth Proportional to 490,343.40, 735,342.30 and 174,810.60

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Solution

The fourth proportional to 490,343.40, 735,342.30 and 174,810.60 is: 262,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,343.40 : 735,342.30 = 174,810.60 : x
  2. Step 2: Convert to fraction form
    490,343.40/735,342.30 = 174,810.60/x
  3. Step 3: Cross multiply
    490,343.40x = 735,342.30 × 174,810.60
  4. Step 4: Simplify right side
    490,343.40x = 128,545,628,668.38
  5. Step 5: Solve for x
    x = 128,545,628,668.38/490,343.40
  6. Step 6: Final answer
    x = 262,154.30

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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.