Finding the Fourth Proportional to 302,542.20, 453,813.30 and 169,831.80
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Solution
The fourth proportional to 302,542.20, 453,813.30 and 169,831.80 is: 254,747.70
Step by Step Solution
- Step 1: Write the proportion equation
302,542.20 : 453,813.30 = 169,831.80 : x - Step 2: Convert to fraction form
302,542.20/453,813.30 = 169,831.80/x - Step 3: Cross multiply
302,542.20x = 453,813.30 × 169,831.80 - Step 4: Simplify right side
302,542.20x = 77,071,929,602.94 - Step 5: Solve for x
x = 77,071,929,602.94/302,542.20 - Step 6: Final answer
x = 254,747.70
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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.