Finding the Fourth Proportional to 402,717.60, 604,537.20 and 236,599.20
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Solution
The fourth proportional to 402,717.60, 604,537.20 and 236,599.20 is: 355,169.52
Step by Step Solution
- Step 1: Write the proportion equation
402,717.60 : 604,537.20 = 236,599.20 : x - Step 2: Convert to fraction form
402,717.60/604,537.20 = 236,599.20/x - Step 3: Cross multiply
402,717.60x = 604,537.20 × 236,599.20 - Step 4: Simplify right side
402,717.60x = 143,033,017,890.24 - Step 5: Solve for x
x = 143,033,017,890.24/402,717.60 - Step 6: Final answer
x = 355,169.52
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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.