Finding the Fourth Proportional to 225,304.71, 310,921.11 and 124,702.71
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Solution
The fourth proportional to 225,304.71, 310,921.11 and 124,702.71 is: 172,090.08
Step by Step Solution
- Step 1: Write the proportion equation
225,304.71 : 310,921.11 = 124,702.71 : x - Step 2: Convert to fraction form
225,304.71/310,921.11 = 124,702.71/x - Step 3: Cross multiply
225,304.71x = 310,921.11 × 124,702.71 - Step 4: Simplify right side
225,304.71x = 38,772,705,013.21 - Step 5: Solve for x
x = 38,772,705,013.21/225,304.71 - Step 6: Final answer
x = 172,090.08
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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.