Finding the Fourth Proportional to 357,927.12, 536,878.26 and 91,689.84
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Solution
The fourth proportional to 357,927.12, 536,878.26 and 91,689.84 is: 137,531.58
Step by Step Solution
- Step 1: Write the proportion equation
357,927.12 : 536,878.26 = 91,689.84 : x - Step 2: Convert to fraction form
357,927.12/536,878.26 = 91,689.84/x - Step 3: Cross multiply
357,927.12x = 536,878.26 × 91,689.84 - Step 4: Simplify right side
357,927.12x = 49,226,281,758.88 - Step 5: Solve for x
x = 49,226,281,758.88/357,927.12 - Step 6: Final answer
x = 137,531.58
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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.