Finding the Fourth Proportional to 641,341.79, 885,038.02 and 350,952.19
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Solution
The fourth proportional to 641,341.79, 885,038.02 and 350,952.19 is: 484,306.56
Step by Step Solution
- Step 1: Write the proportion equation
641,341.79 : 885,038.02 = 350,952.19 : x - Step 2: Convert to fraction form
641,341.79/885,038.02 = 350,952.19/x - Step 3: Cross multiply
641,341.79x = 885,038.02 × 350,952.19 - Step 4: Simplify right side
641,341.79x = 310,606,031,352.26 - Step 5: Solve for x
x = 310,606,031,352.26/641,341.79 - Step 6: Final answer
x = 484,306.56
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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.