Finding the Fourth Proportional to 492,486.54, 679,641.84 and 277,626.63
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Solution
The fourth proportional to 492,486.54, 679,641.84 and 277,626.63 is: 383,130.62
Step by Step Solution
- Step 1: Write the proportion equation
492,486.54 : 679,641.84 = 277,626.63 : x - Step 2: Convert to fraction form
492,486.54/679,641.84 = 277,626.63/x - Step 3: Cross multiply
492,486.54x = 679,641.84 × 277,626.63 - Step 4: Simplify right side
492,486.54x = 188,686,673,646.20 - Step 5: Solve for x
x = 188,686,673,646.20/492,486.54 - Step 6: Final answer
x = 383,130.62
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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.