Finding the Fourth Proportional to 457,827.62, 686,519.82 and 158,203.08
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Solution
The fourth proportional to 457,827.62, 686,519.82 and 158,203.08 is: 237,228.04
Step by Step Solution
- Step 1: Write the proportion equation
457,827.62 : 686,519.82 = 158,203.08 : x - Step 2: Convert to fraction form
457,827.62/686,519.82 = 158,203.08/x - Step 3: Cross multiply
457,827.62x = 686,519.82 × 158,203.08 - Step 4: Simplify right side
457,827.62x = 108,609,550,005.05 - Step 5: Solve for x
x = 108,609,550,005.05/457,827.62 - Step 6: Final answer
x = 237,228.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.