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Finding the Fourth Proportional to 229,970.40, 344,955.60 and 97,000.80

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Solution

The fourth proportional to 229,970.40, 344,955.60 and 97,000.80 is: 145,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,970.40 : 344,955.60 = 97,000.80 : x
  2. Step 2: Convert to fraction form
    229,970.40/344,955.60 = 97,000.80/x
  3. Step 3: Cross multiply
    229,970.40x = 344,955.60 × 97,000.80
  4. Step 4: Simplify right side
    229,970.40x = 33,460,969,164.48
  5. Step 5: Solve for x
    x = 33,460,969,164.48/229,970.40
  6. Step 6: Final answer
    x = 145,501.20

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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.