Finding the Fourth Proportional to 229,472.12, 316,705.74 and 180,962.84
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Solution
The fourth proportional to 229,472.12, 316,705.74 and 180,962.84 is: 249,755.70
Step by Step Solution
- Step 1: Write the proportion equation
229,472.12 : 316,705.74 = 180,962.84 : x - Step 2: Convert to fraction form
229,472.12/316,705.74 = 180,962.84/x - Step 3: Cross multiply
229,472.12x = 316,705.74 × 180,962.84 - Step 4: Simplify right side
229,472.12x = 57,311,970,154.70 - Step 5: Solve for x
x = 57,311,970,154.70/229,472.12 - Step 6: Final answer
x = 249,755.70
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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.