Finding the Fourth Proportional to 358,732.15, 495,053.72 and 197,587.79
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Solution
The fourth proportional to 358,732.15, 495,053.72 and 197,587.79 is: 272,672.99
Step by Step Solution
- Step 1: Write the proportion equation
358,732.15 : 495,053.72 = 197,587.79 : x - Step 2: Convert to fraction form
358,732.15/495,053.72 = 197,587.79/x - Step 3: Cross multiply
358,732.15x = 495,053.72 × 197,587.79 - Step 4: Simplify right side
358,732.15x = 97,816,569,478.14 - Step 5: Solve for x
x = 97,816,569,478.14/358,732.15 - Step 6: Final answer
x = 272,672.99
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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.