Finding the Fourth Proportional to 156,545.46, 216,032.76 and 88,560.99
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Solution
The fourth proportional to 156,545.46, 216,032.76 and 88,560.99 is: 122,214.18
Step by Step Solution
- Step 1: Write the proportion equation
156,545.46 : 216,032.76 = 88,560.99 : x - Step 2: Convert to fraction form
156,545.46/216,032.76 = 88,560.99/x - Step 3: Cross multiply
156,545.46x = 216,032.76 × 88,560.99 - Step 4: Simplify right side
156,545.46x = 19,132,075,098.03 - Step 5: Solve for x
x = 19,132,075,098.03/156,545.46 - Step 6: Final answer
x = 122,214.18
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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.