Finding the Fourth Proportional to 209,417.08, 314,124.18 and 84,756.28
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Solution
The fourth proportional to 209,417.08, 314,124.18 and 84,756.28 is: 127,133.84
Step by Step Solution
- Step 1: Write the proportion equation
209,417.08 : 314,124.18 = 84,756.28 : x - Step 2: Convert to fraction form
209,417.08/314,124.18 = 84,756.28/x - Step 3: Cross multiply
209,417.08x = 314,124.18 × 84,756.28 - Step 4: Simplify right side
209,417.08x = 26,623,996,954.85 - Step 5: Solve for x
x = 26,623,996,954.85/209,417.08 - Step 6: Final answer
x = 127,133.84
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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.