Finding the Fourth Proportional to 372,108.17, 513,547.40 and 219,194.49
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Solution
The fourth proportional to 372,108.17, 513,547.40 and 219,194.49 is: 302,510.85
Step by Step Solution
- Step 1: Write the proportion equation
372,108.17 : 513,547.40 = 219,194.49 : x - Step 2: Convert to fraction form
372,108.17/513,547.40 = 219,194.49/x - Step 3: Cross multiply
372,108.17x = 513,547.40 × 219,194.49 - Step 4: Simplify right side
372,108.17x = 112,566,760,433.83 - Step 5: Solve for x
x = 112,566,760,433.83/372,108.17 - Step 6: Final answer
x = 302,510.85
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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.