Finding the Fourth Proportional to 291,750.75, 402,616.08 and 157,614.75
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Solution
The fourth proportional to 291,750.75, 402,616.08 and 157,614.75 is: 217,508.38
Step by Step Solution
- Step 1: Write the proportion equation
291,750.75 : 402,616.08 = 157,614.75 : x - Step 2: Convert to fraction form
291,750.75/402,616.08 = 157,614.75/x - Step 3: Cross multiply
291,750.75x = 402,616.08 × 157,614.75 - Step 4: Simplify right side
291,750.75x = 63,458,232,795.18 - Step 5: Solve for x
x = 63,458,232,795.18/291,750.75 - Step 6: Final answer
x = 217,508.38
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1.5x scale
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.