Finding the Fourth Proportional to 403,726.20, 605,589.30 and 291,751.80
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Solution
The fourth proportional to 403,726.20, 605,589.30 and 291,751.80 is: 437,627.70
Step by Step Solution
- Step 1: Write the proportion equation
403,726.20 : 605,589.30 = 291,751.80 : x - Step 2: Convert to fraction form
403,726.20/605,589.30 = 291,751.80/x - Step 3: Cross multiply
403,726.20x = 605,589.30 × 291,751.80 - Step 4: Simplify right side
403,726.20x = 176,681,768,335.74 - Step 5: Solve for x
x = 176,681,768,335.74/403,726.20 - Step 6: Final answer
x = 437,627.70
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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.