Finding the Fourth Proportional to 532,021.08, 734,206.80 and 290,316.90
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Solution
The fourth proportional to 532,021.08, 734,206.80 and 290,316.90 is: 400,646.99
Step by Step Solution
- Step 1: Write the proportion equation
532,021.08 : 734,206.80 = 290,316.90 : x - Step 2: Convert to fraction form
532,021.08/734,206.80 = 290,316.90/x - Step 3: Cross multiply
532,021.08x = 734,206.80 × 290,316.90 - Step 4: Simplify right side
532,021.08x = 213,152,642,134.92 - Step 5: Solve for x
x = 213,152,642,134.92/532,021.08 - Step 6: Final answer
x = 400,646.99
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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.