Finding the Fourth Proportional to 472,161.96, 708,381.35 and 152,307.44
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Solution
The fourth proportional to 472,161.96, 708,381.35 and 152,307.44 is: 228,505.81
Step by Step Solution
- Step 1: Write the proportion equation
472,161.96 : 708,381.35 = 152,307.44 : x - Step 2: Convert to fraction form
472,161.96/708,381.35 = 152,307.44/x - Step 3: Cross multiply
472,161.96x = 708,381.35 × 152,307.44 - Step 4: Simplify right side
472,161.96x = 107,891,748,886.38 - Step 5: Solve for x
x = 107,891,748,886.38/472,161.96 - Step 6: Final answer
x = 228,505.81
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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.