Finding the Fourth Proportional to 587,135.52, 810,225.36 and 318,857.76
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Solution
The fourth proportional to 587,135.52, 810,225.36 and 318,857.76 is: 440,011.95
Step by Step Solution
- Step 1: Write the proportion equation
587,135.52 : 810,225.36 = 318,857.76 : x - Step 2: Convert to fraction form
587,135.52/810,225.36 = 318,857.76/x - Step 3: Cross multiply
587,135.52x = 810,225.36 × 318,857.76 - Step 4: Simplify right side
587,135.52x = 258,346,643,384.79 - Step 5: Solve for x
x = 258,346,643,384.79/587,135.52 - Step 6: Final answer
x = 440,011.95
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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.