Finding the Fourth Proportional to 249,158.54, 343,833.99 and 135,982.10
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Solution
The fourth proportional to 249,158.54, 343,833.99 and 135,982.10 is: 187,652.68
Step by Step Solution
- Step 1: Write the proportion equation
249,158.54 : 343,833.99 = 135,982.10 : x - Step 2: Convert to fraction form
249,158.54/343,833.99 = 135,982.10/x - Step 3: Cross multiply
249,158.54x = 343,833.99 × 135,982.10 - Step 4: Simplify right side
249,158.54x = 46,755,268,011.58 - Step 5: Solve for x
x = 46,755,268,011.58/249,158.54 - Step 6: Final answer
x = 187,652.68
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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.