Finding the Fourth Proportional to 310,395.15, 465,494.28 and 132,854.49
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Solution
The fourth proportional to 310,395.15, 465,494.28 and 132,854.49 is: 199,239.60
Step by Step Solution
- Step 1: Write the proportion equation
310,395.15 : 465,494.28 = 132,854.49 : x - Step 2: Convert to fraction form
310,395.15/465,494.28 = 132,854.49/x - Step 3: Cross multiply
310,395.15x = 465,494.28 × 132,854.49 - Step 4: Simplify right side
310,395.15x = 61,843,005,167.32 - Step 5: Solve for x
x = 61,843,005,167.32/310,395.15 - Step 6: Final answer
x = 199,239.60
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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.