Finding the Fourth Proportional to 118,334.70, 177,415.65 and 48,177.90
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Solution
The fourth proportional to 118,334.70, 177,415.65 and 48,177.90 is: 72,231.67
Step by Step Solution
- Step 1: Write the proportion equation
118,334.70 : 177,415.65 = 48,177.90 : x - Step 2: Convert to fraction form
118,334.70/177,415.65 = 48,177.90/x - Step 3: Cross multiply
118,334.70x = 177,415.65 × 48,177.90 - Step 4: Simplify right side
118,334.70x = 8,547,513,444.14 - Step 5: Solve for x
x = 8,547,513,444.14/118,334.70 - Step 6: Final answer
x = 72,231.67
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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.