Finding the Fourth Proportional to 249,223.99, 343,924.70 and 141,791.71
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Solution
The fourth proportional to 249,223.99, 343,924.70 and 141,791.71 is: 195,670.05
Step by Step Solution
- Step 1: Write the proportion equation
249,223.99 : 343,924.70 = 141,791.71 : x - Step 2: Convert to fraction form
249,223.99/343,924.70 = 141,791.71/x - Step 3: Cross multiply
249,223.99x = 343,924.70 × 141,791.71 - Step 4: Simplify right side
249,223.99x = 48,765,671,324.24 - Step 5: Solve for x
x = 48,765,671,324.24/249,223.99 - Step 6: Final answer
x = 195,670.05
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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.