Finding the Fourth Proportional to 249,009.65, 343,649.55 and 141,589.68
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Solution
The fourth proportional to 249,009.65, 343,649.55 and 141,589.68 is: 195,402.99
Step by Step Solution
- Step 1: Write the proportion equation
249,009.65 : 343,649.55 = 141,589.68 : x - Step 2: Convert to fraction form
249,009.65/343,649.55 = 141,589.68/x - Step 3: Cross multiply
249,009.65x = 343,649.55 × 141,589.68 - Step 4: Simplify right side
249,009.65x = 48,657,229,058.92 - Step 5: Solve for x
x = 48,657,229,058.92/249,009.65 - Step 6: Final answer
x = 195,402.99
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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.