Finding the Fourth Proportional to 492,646.70, 679,794.68 and 277,773.95
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Solution
The fourth proportional to 492,646.70, 679,794.68 and 277,773.95 is: 383,295.48
Step by Step Solution
- Step 1: Write the proportion equation
492,646.70 : 679,794.68 = 277,773.95 : x - Step 2: Convert to fraction form
492,646.70/679,794.68 = 277,773.95/x - Step 3: Cross multiply
492,646.70x = 679,794.68 × 277,773.95 - Step 4: Simplify right side
492,646.70x = 188,829,250,748.05 - Step 5: Solve for x
x = 188,829,250,748.05/492,646.70 - Step 6: Final answer
x = 383,295.48
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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.