Finding the Fourth Proportional to 152,292.30, 210,161.70 and 84,309.36
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Solution
The fourth proportional to 152,292.30, 210,161.70 and 84,309.36 is: 116,345.99
Step by Step Solution
- Step 1: Write the proportion equation
152,292.30 : 210,161.70 = 84,309.36 : x - Step 2: Convert to fraction form
152,292.30/210,161.70 = 84,309.36/x - Step 3: Cross multiply
152,292.30x = 210,161.70 × 84,309.36 - Step 4: Simplify right side
152,292.30x = 17,718,598,423.51 - Step 5: Solve for x
x = 17,718,598,423.51/152,292.30 - Step 6: Final answer
x = 116,345.99
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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.