Finding the Fourth Proportional to 212,276.68, 292,931.23 and 116,780.92
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Solution
The fourth proportional to 212,276.68, 292,931.23 and 116,780.92 is: 161,151.84
Step by Step Solution
- Step 1: Write the proportion equation
212,276.68 : 292,931.23 = 116,780.92 : x - Step 2: Convert to fraction form
212,276.68/292,931.23 = 116,780.92/x - Step 3: Cross multiply
212,276.68x = 292,931.23 × 116,780.92 - Step 4: Simplify right side
212,276.68x = 34,208,778,536.13 - Step 5: Solve for x
x = 34,208,778,536.13/212,276.68 - Step 6: Final answer
x = 161,151.84
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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.