Finding the Fourth Proportional to 357,485.49, 536,227.92 and 91,246.05
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Solution
The fourth proportional to 357,485.49, 536,227.92 and 91,246.05 is: 136,868.99
Step by Step Solution
- Step 1: Write the proportion equation
357,485.49 : 536,227.92 = 91,246.05 : x - Step 2: Convert to fraction form
357,485.49/536,227.92 = 91,246.05/x - Step 3: Cross multiply
357,485.49x = 536,227.92 × 91,246.05 - Step 4: Simplify right side
357,485.49x = 48,928,679,599.72 - Step 5: Solve for x
x = 48,928,679,599.72/357,485.49 - Step 6: Final answer
x = 136,868.99
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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.