Finding the Fourth Proportional to 156,763.60, 216,347.12 and 88,792.68
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Solution
The fourth proportional to 156,763.60, 216,347.12 and 88,792.68 is: 122,541.46
Step by Step Solution
- Step 1: Write the proportion equation
156,763.60 : 216,347.12 = 88,792.68 : x - Step 2: Convert to fraction form
156,763.60/216,347.12 = 88,792.68/x - Step 3: Cross multiply
156,763.60x = 216,347.12 × 88,792.68 - Step 4: Simplify right side
156,763.60x = 19,210,040,595.08 - Step 5: Solve for x
x = 19,210,040,595.08/156,763.60 - Step 6: Final answer
x = 122,541.46
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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.