Finding the Fourth Proportional to 294,621.68, 406,547.63 and 165,539.65
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Solution
The fourth proportional to 294,621.68, 406,547.63 and 165,539.65 is: 228,427.69
Step by Step Solution
- Step 1: Write the proportion equation
294,621.68 : 406,547.63 = 165,539.65 : x - Step 2: Convert to fraction form
294,621.68/406,547.63 = 165,539.65/x - Step 3: Cross multiply
294,621.68x = 406,547.63 × 165,539.65 - Step 4: Simplify right side
294,621.68x = 67,299,750,774.10 - Step 5: Solve for x
x = 67,299,750,774.10/294,621.68 - Step 6: Final answer
x = 228,427.69
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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.