Finding the Fourth Proportional to 316,341.68, 474,512.52 and 138,850.23
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Solution
The fourth proportional to 316,341.68, 474,512.52 and 138,850.23 is: 208,275.34
Step by Step Solution
- Step 1: Write the proportion equation
316,341.68 : 474,512.52 = 138,850.23 : x - Step 2: Convert to fraction form
316,341.68/474,512.52 = 138,850.23/x - Step 3: Cross multiply
316,341.68x = 474,512.52 × 138,850.23 - Step 4: Simplify right side
316,341.68x = 65,886,170,167.32 - Step 5: Solve for x
x = 65,886,170,167.32/316,341.68 - Step 6: Final answer
x = 208,275.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.