Finding the Fourth Proportional to 472,036.80, 652,239.36 and 377,325.12
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Solution
The fourth proportional to 472,036.80, 652,239.36 and 377,325.12 is: 521,370.99
Step by Step Solution
- Step 1: Write the proportion equation
472,036.80 : 652,239.36 = 377,325.12 : x - Step 2: Convert to fraction form
472,036.80/652,239.36 = 377,325.12/x - Step 3: Cross multiply
472,036.80x = 652,239.36 × 377,325.12 - Step 4: Simplify right side
472,036.80x = 246,106,294,780.72 - Step 5: Solve for x
x = 246,106,294,780.72/472,036.80 - Step 6: Final answer
x = 521,370.99
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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.