Finding the Fourth Proportional to 247,623.81, 341,108.73 and 211,206.61
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Solution
The fourth proportional to 247,623.81, 341,108.73 and 211,206.61 is: 290,943.02
Step by Step Solution
- Step 1: Write the proportion equation
247,623.81 : 341,108.73 = 211,206.61 : x - Step 2: Convert to fraction form
247,623.81/341,108.73 = 211,206.61/x - Step 3: Cross multiply
247,623.81x = 341,108.73 × 211,206.61 - Step 4: Simplify right side
247,623.81x = 72,044,418,931.09 - Step 5: Solve for x
x = 72,044,418,931.09/247,623.81 - Step 6: Final answer
x = 290,943.02
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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.