Finding the Fourth Proportional to 156,567.99, 216,063.84 and 84,948.03
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Solution
The fourth proportional to 156,567.99, 216,063.84 and 84,948.03 is: 117,228.29
Step by Step Solution
- Step 1: Write the proportion equation
156,567.99 : 216,063.84 = 84,948.03 : x - Step 2: Convert to fraction form
156,567.99/216,063.84 = 84,948.03/x - Step 3: Cross multiply
156,567.99x = 216,063.84 × 84,948.03 - Step 4: Simplify right side
156,567.99x = 18,354,197,562.24 - Step 5: Solve for x
x = 18,354,197,562.24/156,567.99 - Step 6: Final answer
x = 117,228.29
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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.