Finding the Fourth Proportional to 97,301.70, 145,952.55 and 38,117.70
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Solution
The fourth proportional to 97,301.70, 145,952.55 and 38,117.70 is: 57,176.55
Step by Step Solution
- Step 1: Write the proportion equation
97,301.70 : 145,952.55 = 38,117.70 : x - Step 2: Convert to fraction form
97,301.70/145,952.55 = 38,117.70/x - Step 3: Cross multiply
97,301.70x = 145,952.55 × 38,117.70 - Step 4: Simplify right side
97,301.70x = 5,563,375,515.14 - Step 5: Solve for x
x = 5,563,375,515.14/97,301.70 - Step 6: Final answer
x = 57,176.55
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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.