Finding the Fourth Proportional to 247,345.84, 370,987.57 and 105,247.95
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Solution
The fourth proportional to 247,345.84, 370,987.57 and 105,247.95 is: 157,858.65
Step by Step Solution
- Step 1: Write the proportion equation
247,345.84 : 370,987.57 = 105,247.95 : x - Step 2: Convert to fraction form
247,345.84/370,987.57 = 105,247.95/x - Step 3: Cross multiply
247,345.84x = 370,987.57 × 105,247.95 - Step 4: Simplify right side
247,345.84x = 39,045,681,217.98 - Step 5: Solve for x
x = 39,045,681,217.98/247,345.84 - Step 6: Final answer
x = 157,858.65
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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.