Finding the Fourth Proportional to 97,177.20, 133,904.70 and 74,515.02
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Solution
The fourth proportional to 97,177.20, 133,904.70 and 74,515.02 is: 102,677.49
Step by Step Solution
- Step 1: Write the proportion equation
97,177.20 : 133,904.70 = 74,515.02 : x - Step 2: Convert to fraction form
97,177.20/133,904.70 = 74,515.02/x - Step 3: Cross multiply
97,177.20x = 133,904.70 × 74,515.02 - Step 4: Simplify right side
97,177.20x = 9,977,911,398.59 - Step 5: Solve for x
x = 9,977,911,398.59/97,177.20 - Step 6: Final answer
x = 102,677.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.