Finding the Fourth Proportional to 372,125.54, 513,555.68 and 219,265.62
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Solution
The fourth proportional to 372,125.54, 513,555.68 and 219,265.62 is: 302,599.77
Step by Step Solution
- Step 1: Write the proportion equation
372,125.54 : 513,555.68 = 219,265.62 : x - Step 2: Convert to fraction form
372,125.54/513,555.68 = 219,265.62/x - Step 3: Cross multiply
372,125.54x = 513,555.68 × 219,265.62 - Step 4: Simplify right side
372,125.54x = 112,605,104,579.72 - Step 5: Solve for x
x = 112,605,104,579.72/372,125.54 - Step 6: Final answer
x = 302,599.77
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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.