Finding the Fourth Proportional to 212,921.34, 293,827.95 and 117,436.92
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Solution
The fourth proportional to 212,921.34, 293,827.95 and 117,436.92 is: 162,061.02
Step by Step Solution
- Step 1: Write the proportion equation
212,921.34 : 293,827.95 = 117,436.92 : x - Step 2: Convert to fraction form
212,921.34/293,827.95 = 117,436.92/x - Step 3: Cross multiply
212,921.34x = 293,827.95 × 117,436.92 - Step 4: Simplify right side
212,921.34x = 34,506,249,457.91 - Step 5: Solve for x
x = 34,506,249,457.91/212,921.34 - Step 6: Final answer
x = 162,061.02
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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.