Finding the Fourth Proportional to 247,344.84, 370,986.08 and 105,246.95
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Solution
The fourth proportional to 247,344.84, 370,986.08 and 105,246.95 is: 157,857.15
Step by Step Solution
- Step 1: Write the proportion equation
247,344.84 : 370,986.08 = 105,246.95 : x - Step 2: Convert to fraction form
247,344.84/370,986.08 = 105,246.95/x - Step 3: Cross multiply
247,344.84x = 370,986.08 × 105,246.95 - Step 4: Simplify right side
247,344.84x = 39,045,151,031.29 - Step 5: Solve for x
x = 39,045,151,031.29/247,344.84 - Step 6: Final answer
x = 157,857.15
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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.