Finding the Fourth Proportional to 157,569.52, 217,448.88 and 85,952.08
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Solution
The fourth proportional to 157,569.52, 217,448.88 and 85,952.08 is: 118,615.48
Step by Step Solution
- Step 1: Write the proportion equation
157,569.52 : 217,448.88 = 85,952.08 : x - Step 2: Convert to fraction form
157,569.52/217,448.88 = 85,952.08/x - Step 3: Cross multiply
157,569.52x = 217,448.88 × 85,952.08 - Step 4: Simplify right side
157,569.52x = 18,690,183,529.67 - Step 5: Solve for x
x = 18,690,183,529.67/157,569.52 - Step 6: Final answer
x = 118,615.48
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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.