Finding the Fourth Proportional to 228,129.68, 314,818.36 and 124,763.92
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Solution
The fourth proportional to 228,129.68, 314,818.36 and 124,763.92 is: 172,173.88
Step by Step Solution
- Step 1: Write the proportion equation
228,129.68 : 314,818.36 = 124,763.92 : x - Step 2: Convert to fraction form
228,129.68/314,818.36 = 124,763.92/x - Step 3: Cross multiply
228,129.68x = 314,818.36 × 124,763.92 - Step 4: Simplify right side
228,129.68x = 39,277,972,681.57 - Step 5: Solve for x
x = 39,277,972,681.57/228,129.68 - Step 6: Final answer
x = 172,173.88
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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.