Finding the Fourth Proportional to 474,387.62, 654,642.36 and 280,805.31
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Solution
The fourth proportional to 474,387.62, 654,642.36 and 280,805.31 is: 387,503.90
Step by Step Solution
- Step 1: Write the proportion equation
474,387.62 : 654,642.36 = 280,805.31 : x - Step 2: Convert to fraction form
474,387.62/654,642.36 = 280,805.31/x - Step 3: Cross multiply
474,387.62x = 654,642.36 × 280,805.31 - Step 4: Simplify right side
474,387.62x = 183,827,050,838.93 - Step 5: Solve for x
x = 183,827,050,838.93/474,387.62 - Step 6: Final answer
x = 387,503.90
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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.