Finding the Fourth Proportional to 152,044.68, 209,805.58 and 84,050.70
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Solution
The fourth proportional to 152,044.68, 209,805.58 and 84,050.70 is: 115,981.08
Step by Step Solution
- Step 1: Write the proportion equation
152,044.68 : 209,805.58 = 84,050.70 : x - Step 2: Convert to fraction form
152,044.68/209,805.58 = 84,050.70/x - Step 3: Cross multiply
152,044.68x = 209,805.58 × 84,050.70 - Step 4: Simplify right side
152,044.68x = 17,634,305,862.91 - Step 5: Solve for x
x = 17,634,305,862.91/152,044.68 - Step 6: Final answer
x = 115,981.08
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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.