Finding the Fourth Proportional to 497,681.70, 746,522.55 and 217,745.70
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Solution
The fourth proportional to 497,681.70, 746,522.55 and 217,745.70 is: 326,618.55
Step by Step Solution
- Step 1: Write the proportion equation
497,681.70 : 746,522.55 = 217,745.70 : x - Step 2: Convert to fraction form
497,681.70/746,522.55 = 217,745.70/x - Step 3: Cross multiply
497,681.70x = 746,522.55 × 217,745.70 - Step 4: Simplify right side
497,681.70x = 162,552,075,215.54 - Step 5: Solve for x
x = 162,552,075,215.54/497,681.70 - Step 6: Final answer
x = 326,618.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.