Finding the Fourth Proportional to 163,132.59, 224,993.12 and 134,789.07
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Solution
The fourth proportional to 163,132.59, 224,993.12 and 134,789.07 is: 185,901.62
Step by Step Solution
- Step 1: Write the proportion equation
163,132.59 : 224,993.12 = 134,789.07 : x - Step 2: Convert to fraction form
163,132.59/224,993.12 = 134,789.07/x - Step 3: Cross multiply
163,132.59x = 224,993.12 × 134,789.07 - Step 4: Simplify right side
163,132.59x = 30,326,612,727.25 - Step 5: Solve for x
x = 30,326,612,727.25/163,132.59 - Step 6: Final answer
x = 185,901.62
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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.