Finding the Fourth Proportional to 312,282.38, 430,924.58 and 176,349.40
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Solution
The fourth proportional to 312,282.38, 430,924.58 and 176,349.40 is: 243,348.00
Step by Step Solution
- Step 1: Write the proportion equation
312,282.38 : 430,924.58 = 176,349.40 : x - Step 2: Convert to fraction form
312,282.38/430,924.58 = 176,349.40/x - Step 3: Cross multiply
312,282.38x = 430,924.58 × 176,349.40 - Step 4: Simplify right side
312,282.38x = 75,993,291,128.25 - Step 5: Solve for x
x = 75,993,291,128.25/312,282.38 - Step 6: Final answer
x = 243,348.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.