Finding the Fourth Proportional to 225,108.18, 310,645.53 and 124,506.18
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Solution
The fourth proportional to 225,108.18, 310,645.53 and 124,506.18 is: 171,816.45
Step by Step Solution
- Step 1: Write the proportion equation
225,108.18 : 310,645.53 = 124,506.18 : x - Step 2: Convert to fraction form
225,108.18/310,645.53 = 124,506.18/x - Step 3: Cross multiply
225,108.18x = 310,645.53 × 124,506.18 - Step 4: Simplify right side
225,108.18x = 38,677,288,274.38 - Step 5: Solve for x
x = 38,677,288,274.38/225,108.18 - Step 6: Final answer
x = 171,816.45
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Double scale
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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.