Finding the Fourth Proportional to 563,158.99, 777,153.18 and 305,029.54
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Solution
The fourth proportional to 563,158.99, 777,153.18 and 305,029.54 is: 420,937.39
Step by Step Solution
- Step 1: Write the proportion equation
563,158.99 : 777,153.18 = 305,029.54 : x - Step 2: Convert to fraction form
563,158.99/777,153.18 = 305,029.54/x - Step 3: Cross multiply
563,158.99x = 777,153.18 × 305,029.54 - Step 4: Simplify right side
563,158.99x = 237,054,677,004.94 - Step 5: Solve for x
x = 237,054,677,004.94/563,158.99 - Step 6: Final answer
x = 420,937.39
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1.5x scale
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.