Finding the Fourth Proportional to 249,097.24, 343,751.34 and 135,921.88
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Solution
The fourth proportional to 249,097.24, 343,751.34 and 135,921.88 is: 187,570.64
Step by Step Solution
- Step 1: Write the proportion equation
249,097.24 : 343,751.34 = 135,921.88 : x - Step 2: Convert to fraction form
249,097.24/343,751.34 = 135,921.88/x - Step 3: Cross multiply
249,097.24x = 343,751.34 × 135,921.88 - Step 4: Simplify right side
249,097.24x = 46,723,328,385.32 - Step 5: Solve for x
x = 46,723,328,385.32/249,097.24 - Step 6: Final answer
x = 187,570.64
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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.