Finding the Fourth Proportional to 357,935.61, 536,891.07 and 91,698.74
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Solution
The fourth proportional to 357,935.61, 536,891.07 and 91,698.74 is: 137,544.95
Step by Step Solution
- Step 1: Write the proportion equation
357,935.61 : 536,891.07 = 91,698.74 : x - Step 2: Convert to fraction form
357,935.61/536,891.07 = 91,698.74/x - Step 3: Cross multiply
357,935.61x = 536,891.07 × 91,698.74 - Step 4: Simplify right side
357,935.61x = 49,232,234,636.25 - Step 5: Solve for x
x = 49,232,234,636.25/357,935.61 - Step 6: Final answer
x = 137,544.95
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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.