Finding the Fourth Proportional to 166,220.10, 249,184.35 and 99,686.70
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Solution
The fourth proportional to 166,220.10, 249,184.35 and 99,686.70 is: 149,442.61
Step by Step Solution
- Step 1: Write the proportion equation
166,220.10 : 249,184.35 = 99,686.70 : x - Step 2: Convert to fraction form
166,220.10/249,184.35 = 99,686.70/x - Step 3: Cross multiply
166,220.10x = 249,184.35 × 99,686.70 - Step 4: Simplify right side
166,220.10x = 24,840,365,543.15 - Step 5: Solve for x
x = 24,840,365,543.15/166,220.10 - Step 6: Final answer
x = 149,442.61
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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.