Finding the Fourth Proportional to 97,177.28, 145,777.61 and 91,862.87
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Solution
The fourth proportional to 97,177.28, 145,777.61 and 91,862.87 is: 137,805.35
Step by Step Solution
- Step 1: Write the proportion equation
97,177.28 : 145,777.61 = 91,862.87 : x - Step 2: Convert to fraction form
97,177.28/145,777.61 = 91,862.87/x - Step 3: Cross multiply
97,177.28x = 145,777.61 × 91,862.87 - Step 4: Simplify right side
97,177.28x = 13,391,549,987.05 - Step 5: Solve for x
x = 13,391,549,987.05/97,177.28 - Step 6: Final answer
x = 137,805.35
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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.