Finding the Fourth Proportional to 472,772.58, 652,336.93 and 281,803.74
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Solution
The fourth proportional to 472,772.58, 652,336.93 and 281,803.74 is: 388,835.97
Step by Step Solution
- Step 1: Write the proportion equation
472,772.58 : 652,336.93 = 281,803.74 : x - Step 2: Convert to fraction form
472,772.58/652,336.93 = 281,803.74/x - Step 3: Cross multiply
472,772.58x = 652,336.93 × 281,803.74 - Step 4: Simplify right side
472,772.58x = 183,830,982,934.96 - Step 5: Solve for x
x = 183,830,982,934.96/472,772.58 - Step 6: Final answer
x = 388,835.97
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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.