Finding the Fourth Proportional to 346,450.10, 478,431.29 and 327,581.08
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Solution
The fourth proportional to 346,450.10, 478,431.29 and 327,581.08 is: 452,374.07
Step by Step Solution
- Step 1: Write the proportion equation
346,450.10 : 478,431.29 = 327,581.08 : x - Step 2: Convert to fraction form
346,450.10/478,431.29 = 327,581.08/x - Step 3: Cross multiply
346,450.10x = 478,431.29 × 327,581.08 - Step 4: Simplify right side
346,450.10x = 156,725,038,306.87 - Step 5: Solve for x
x = 156,725,038,306.87/346,450.10 - Step 6: Final answer
x = 452,374.07
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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.