Finding the Fourth Proportional to 225,214.49, 310,799.95 and 123,248.99
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Solution
The fourth proportional to 225,214.49, 310,799.95 and 123,248.99 is: 170,085.77
Step by Step Solution
- Step 1: Write the proportion equation
225,214.49 : 310,799.95 = 123,248.99 : x - Step 2: Convert to fraction form
225,214.49/310,799.95 = 123,248.99/x - Step 3: Cross multiply
225,214.49x = 310,799.95 × 123,248.99 - Step 4: Simplify right side
225,214.49x = 38,305,780,398.43 - Step 5: Solve for x
x = 38,305,780,398.43/225,214.49 - Step 6: Final answer
x = 170,085.77
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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.