Finding the Fourth Proportional to 313,141.38, 432,089.16 and 175,313.18
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Solution
The fourth proportional to 313,141.38, 432,089.16 and 175,313.18 is: 241,906.47
Step by Step Solution
- Step 1: Write the proportion equation
313,141.38 : 432,089.16 = 175,313.18 : x - Step 2: Convert to fraction form
313,141.38/432,089.16 = 175,313.18/x - Step 3: Cross multiply
313,141.38x = 432,089.16 × 175,313.18 - Step 4: Simplify right side
313,141.38x = 75,750,924,683.13 - Step 5: Solve for x
x = 75,750,924,683.13/313,141.38 - Step 6: Final answer
x = 241,906.47
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1.5x scale
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.