Finding the Fourth Proportional to 745,593.18, 1,118,117.61 and 272,138.46
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Solution
The fourth proportional to 745,593.18, 1,118,117.61 and 272,138.46 is: 408,108.35
Step by Step Solution
- Step 1: Write the proportion equation
745,593.18 : 1,118,117.61 = 272,138.46 : x - Step 2: Convert to fraction form
745,593.18/1,118,117.61 = 272,138.46/x - Step 3: Cross multiply
745,593.18x = 1,118,117.61 × 272,138.46 - Step 4: Simplify right side
745,593.18x = 304,282,804,484.28 - Step 5: Solve for x
x = 304,282,804,484.28/745,593.18 - Step 6: Final answer
x = 408,108.35
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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.