Finding the Fourth Proportional to 352,490.66, 528,740.34 and 103,177.70
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Solution
The fourth proportional to 352,490.66, 528,740.34 and 103,177.70 is: 154,767.82
Step by Step Solution
- Step 1: Write the proportion equation
352,490.66 : 528,740.34 = 103,177.70 : x - Step 2: Convert to fraction form
352,490.66/528,740.34 = 103,177.70/x - Step 3: Cross multiply
352,490.66x = 528,740.34 × 103,177.70 - Step 4: Simplify right side
352,490.66x = 54,554,212,178.42 - Step 5: Solve for x
x = 54,554,212,178.42/352,490.66 - Step 6: Final answer
x = 154,767.82
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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.