Finding the Fourth Proportional to 559,162.84, 838,744.27 and 138,438.72
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Solution
The fourth proportional to 559,162.84, 838,744.27 and 138,438.72 is: 207,658.08
Step by Step Solution
- Step 1: Write the proportion equation
559,162.84 : 838,744.27 = 138,438.72 : x - Step 2: Convert to fraction form
559,162.84/838,744.27 = 138,438.72/x - Step 3: Cross multiply
559,162.84x = 838,744.27 × 138,438.72 - Step 4: Simplify right side
559,162.84x = 116,114,683,146.13 - Step 5: Solve for x
x = 116,114,683,146.13/559,162.84 - Step 6: Final answer
x = 207,658.08
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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.