Finding the Fourth Proportional to 674,352.42, 930,670.68 and 368,475.31
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Solution
The fourth proportional to 674,352.42, 930,670.68 and 368,475.31 is: 508,531.08
Step by Step Solution
- Step 1: Write the proportion equation
674,352.42 : 930,670.68 = 368,475.31 : x - Step 2: Convert to fraction form
674,352.42/930,670.68 = 368,475.31/x - Step 3: Cross multiply
674,352.42x = 930,670.68 × 368,475.31 - Step 4: Simplify right side
674,352.42x = 342,929,167,320.91 - Step 5: Solve for x
x = 342,929,167,320.91/674,352.42 - Step 6: Final answer
x = 508,531.08
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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.