Finding the Fourth Proportional to 316,545.19, 436,832.16 and 173,305.19
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Solution
The fourth proportional to 316,545.19, 436,832.16 and 173,305.19 is: 239,161.06
Step by Step Solution
- Step 1: Write the proportion equation
316,545.19 : 436,832.16 = 173,305.19 : x - Step 2: Convert to fraction form
316,545.19/436,832.16 = 173,305.19/x - Step 3: Cross multiply
316,545.19x = 436,832.16 × 173,305.19 - Step 4: Simplify right side
316,545.19x = 75,705,282,125.03 - Step 5: Solve for x
x = 75,705,282,125.03/316,545.19 - Step 6: Final answer
x = 239,161.06
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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.