Finding the Fourth Proportional to 156,592.18, 216,095.34 and 84,971.62
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Solution
The fourth proportional to 156,592.18, 216,095.34 and 84,971.62 is: 117,259.82
Step by Step Solution
- Step 1: Write the proportion equation
156,592.18 : 216,095.34 = 84,971.62 : x - Step 2: Convert to fraction form
156,592.18/216,095.34 = 84,971.62/x - Step 3: Cross multiply
156,592.18x = 216,095.34 × 84,971.62 - Step 4: Simplify right side
156,592.18x = 18,361,971,114.25 - Step 5: Solve for x
x = 18,361,971,114.25/156,592.18 - Step 6: Final answer
x = 117,259.82
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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.