Finding the Fourth Proportional to 472,780.99, 652,434.73 and 268,831.96
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Solution
The fourth proportional to 472,780.99, 652,434.73 and 268,831.96 is: 370,986.37
Step by Step Solution
- Step 1: Write the proportion equation
472,780.99 : 652,434.73 = 268,831.96 : x - Step 2: Convert to fraction form
472,780.99/652,434.73 = 268,831.96/x - Step 3: Cross multiply
472,780.99x = 652,434.73 × 268,831.96 - Step 4: Simplify right side
472,780.99x = 175,395,304,934.80 - Step 5: Solve for x
x = 175,395,304,934.80/472,780.99 - Step 6: Final answer
x = 370,986.37
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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.