Finding the Fourth Proportional to 217,753.95, 300,492.68 and 122,264.67
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Solution
The fourth proportional to 217,753.95, 300,492.68 and 122,264.67 is: 168,720.88
Step by Step Solution
- Step 1: Write the proportion equation
217,753.95 : 300,492.68 = 122,264.67 : x - Step 2: Convert to fraction form
217,753.95/300,492.68 = 122,264.67/x - Step 3: Cross multiply
217,753.95x = 300,492.68 × 122,264.67 - Step 4: Simplify right side
217,753.95x = 36,739,637,746.29 - Step 5: Solve for x
x = 36,739,637,746.29/217,753.95 - Step 6: Final answer
x = 168,720.88
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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.