Finding the Fourth Proportional to 474,387.36, 654,642.03 and 280,805.05
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Solution
The fourth proportional to 474,387.36, 654,642.03 and 280,805.05 is: 387,503.55
Step by Step Solution
- Step 1: Write the proportion equation
474,387.36 : 654,642.03 = 280,805.05 : x - Step 2: Convert to fraction form
474,387.36/654,642.03 = 280,805.05/x - Step 3: Cross multiply
474,387.36x = 654,642.03 × 280,805.05 - Step 4: Simplify right side
474,387.36x = 183,826,787,966.25 - Step 5: Solve for x
x = 183,826,787,966.25/474,387.36 - Step 6: Final answer
x = 387,503.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.