Finding the Fourth Proportional to 532,106.92, 734,323.08 and 290,404.95
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Solution
The fourth proportional to 532,106.92, 734,323.08 and 290,404.95 is: 400,767.31
Step by Step Solution
- Step 1: Write the proportion equation
532,106.92 : 734,323.08 = 290,404.95 : x - Step 2: Convert to fraction form
532,106.92/734,323.08 = 290,404.95/x - Step 3: Cross multiply
532,106.92x = 734,323.08 × 290,404.95 - Step 4: Simplify right side
532,106.92x = 213,251,057,331.25 - Step 5: Solve for x
x = 213,251,057,331.25/532,106.92 - Step 6: Final answer
x = 400,767.31
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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.