Finding the Fourth Proportional to 230,403.29, 317,963.27 and 134,901.05
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Solution
The fourth proportional to 230,403.29, 317,963.27 and 134,901.05 is: 186,167.39
Step by Step Solution
- Step 1: Write the proportion equation
230,403.29 : 317,963.27 = 134,901.05 : x - Step 2: Convert to fraction form
230,403.29/317,963.27 = 134,901.05/x - Step 3: Cross multiply
230,403.29x = 317,963.27 × 134,901.05 - Step 4: Simplify right side
230,403.29x = 42,893,577,731.87 - Step 5: Solve for x
x = 42,893,577,731.87/230,403.29 - Step 6: Final answer
x = 186,167.39
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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.