Finding the Fourth Proportional to 156,881.24, 216,514.54 and 93,219.10
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Solution
The fourth proportional to 156,881.24, 216,514.54 and 93,219.10 is: 128,653.31
Step by Step Solution
- Step 1: Write the proportion equation
156,881.24 : 216,514.54 = 93,219.10 : x - Step 2: Convert to fraction form
156,881.24/216,514.54 = 93,219.10/x - Step 3: Cross multiply
156,881.24x = 216,514.54 × 93,219.10 - Step 4: Simplify right side
156,881.24x = 20,183,290,555.71 - Step 5: Solve for x
x = 20,183,290,555.71/156,881.24 - Step 6: Final answer
x = 128,653.31
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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.