Finding the Fourth Proportional to 157,110.84, 235,703.16 and 51,929.80
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Solution
The fourth proportional to 157,110.84, 235,703.16 and 51,929.80 is: 77,906.89
Step by Step Solution
- Step 1: Write the proportion equation
157,110.84 : 235,703.16 = 51,929.80 : x - Step 2: Convert to fraction form
157,110.84/235,703.16 = 51,929.80/x - Step 3: Cross multiply
157,110.84x = 235,703.16 × 51,929.80 - Step 4: Simplify right side
157,110.84x = 12,240,017,368.91 - Step 5: Solve for x
x = 12,240,017,368.91/157,110.84 - Step 6: Final answer
x = 77,906.89
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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.