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Finding the Fourth Proportional to 310,341.40, 465,453.69 and 97,077.36

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Solution

The fourth proportional to 310,341.40, 465,453.69 and 97,077.36 is: 145,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,341.40 : 465,453.69 = 97,077.36 : x
  2. Step 2: Convert to fraction form
    310,341.40/465,453.69 = 97,077.36/x
  3. Step 3: Cross multiply
    310,341.40x = 465,453.69 × 97,077.36
  4. Step 4: Simplify right side
    310,341.40x = 45,185,016,045.84
  5. Step 5: Solve for x
    x = 45,185,016,045.84/310,341.40
  6. Step 6: Final answer
    x = 145,597.77

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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.