Finding the Fourth Proportional to 280,202.44, 386,663.61 and 159,373.12
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Solution
The fourth proportional to 280,202.44, 386,663.61 and 159,373.12 is: 219,925.94
Step by Step Solution
- Step 1: Write the proportion equation
280,202.44 : 386,663.61 = 159,373.12 : x - Step 2: Convert to fraction form
280,202.44/386,663.61 = 159,373.12/x - Step 3: Cross multiply
280,202.44x = 386,663.61 × 159,373.12 - Step 4: Simplify right side
280,202.44x = 61,623,785,916.16 - Step 5: Solve for x
x = 61,623,785,916.16/280,202.44 - Step 6: Final answer
x = 219,925.94
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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.