Finding the Fourth Proportional to 474,163.19, 654,405.12 and 310,957.02
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Solution
The fourth proportional to 474,163.19, 654,405.12 and 310,957.02 is: 429,159.98
Step by Step Solution
- Step 1: Write the proportion equation
474,163.19 : 654,405.12 = 310,957.02 : x - Step 2: Convert to fraction form
474,163.19/654,405.12 = 310,957.02/x - Step 3: Cross multiply
474,163.19x = 654,405.12 × 310,957.02 - Step 4: Simplify right side
474,163.19x = 203,491,865,987.94 - Step 5: Solve for x
x = 203,491,865,987.94/474,163.19 - Step 6: Final answer
x = 429,159.98
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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.