Finding the Fourth Proportional to 118,285.74, 177,427.68 and 29,538.65
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Solution
The fourth proportional to 118,285.74, 177,427.68 and 29,538.65 is: 44,307.74
Step by Step Solution
- Step 1: Write the proportion equation
118,285.74 : 177,427.68 = 29,538.65 : x - Step 2: Convert to fraction form
118,285.74/177,427.68 = 29,538.65/x - Step 3: Cross multiply
118,285.74x = 177,427.68 × 29,538.65 - Step 4: Simplify right side
118,285.74x = 5,240,973,252.69 - Step 5: Solve for x
x = 5,240,973,252.69/118,285.74 - Step 6: Final answer
x = 44,307.74
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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.