Finding the Fourth Proportional to 249,612.20, 374,418.30 and 155,133.80
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Solution
The fourth proportional to 249,612.20, 374,418.30 and 155,133.80 is: 232,700.70
Step by Step Solution
- Step 1: Write the proportion equation
249,612.20 : 374,418.30 = 155,133.80 : x - Step 2: Convert to fraction form
249,612.20/374,418.30 = 155,133.80/x - Step 3: Cross multiply
249,612.20x = 374,418.30 × 155,133.80 - Step 4: Simplify right side
249,612.20x = 58,084,933,668.54 - Step 5: Solve for x
x = 58,084,933,668.54/249,612.20 - Step 6: Final answer
x = 232,700.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.