Finding the Fourth Proportional to 97,389.18, 146,024.64 and 38,153.88
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Solution
The fourth proportional to 97,389.18, 146,024.64 and 38,153.88 is: 57,207.65
Step by Step Solution
- Step 1: Write the proportion equation
97,389.18 : 146,024.64 = 38,153.88 : x - Step 2: Convert to fraction form
97,389.18/146,024.64 = 38,153.88/x - Step 3: Cross multiply
97,389.18x = 146,024.64 × 38,153.88 - Step 4: Simplify right side
97,389.18x = 5,571,406,591.60 - Step 5: Solve for x
x = 5,571,406,591.60/97,389.18 - Step 6: Final answer
x = 57,207.65
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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.