Finding the Fourth Proportional to 442,129.70, 663,334.67 and 157,813.95
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Solution
The fourth proportional to 442,129.70, 663,334.67 and 157,813.95 is: 236,770.94
Step by Step Solution
- Step 1: Write the proportion equation
442,129.70 : 663,334.67 = 157,813.95 : x - Step 2: Convert to fraction form
442,129.70/663,334.67 = 157,813.95/x - Step 3: Cross multiply
442,129.70x = 663,334.67 × 157,813.95 - Step 4: Simplify right side
442,129.70x = 104,683,464,444.65 - Step 5: Solve for x
x = 104,683,464,444.65/442,129.70 - Step 6: Final answer
x = 236,770.94
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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.