Finding the Fourth Proportional to 578,115.05, 867,196.26 and 157,390.92
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Solution
The fourth proportional to 578,115.05, 867,196.26 and 157,390.92 is: 236,092.83
Step by Step Solution
- Step 1: Write the proportion equation
578,115.05 : 867,196.26 = 157,390.92 : x - Step 2: Convert to fraction form
578,115.05/867,196.26 = 157,390.92/x - Step 3: Cross multiply
578,115.05x = 867,196.26 × 157,390.92 - Step 4: Simplify right side
578,115.05x = 136,488,817,181.96 - Step 5: Solve for x
x = 136,488,817,181.96/578,115.05 - Step 6: Final answer
x = 236,092.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.