Finding the Fourth Proportional to 180,552.15, 249,158.91 and 99,977.95
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Solution
The fourth proportional to 180,552.15, 249,158.91 and 99,977.95 is: 137,967.88
Step by Step Solution
- Step 1: Write the proportion equation
180,552.15 : 249,158.91 = 99,977.95 : x - Step 2: Convert to fraction form
180,552.15/249,158.91 = 99,977.95/x - Step 3: Cross multiply
180,552.15x = 249,158.91 × 99,977.95 - Step 4: Simplify right side
180,552.15x = 24,910,397,046.03 - Step 5: Solve for x
x = 24,910,397,046.03/180,552.15 - Step 6: Final answer
x = 137,967.88
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1.5x scale
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.