Finding the Fourth Proportional to 403,278.58, 604,567.95 and 203,432.14
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Solution
The fourth proportional to 403,278.58, 604,567.95 and 203,432.14 is: 304,971.69
Step by Step Solution
- Step 1: Write the proportion equation
403,278.58 : 604,567.95 = 203,432.14 : x - Step 2: Convert to fraction form
403,278.58/604,567.95 = 203,432.14/x - Step 3: Cross multiply
403,278.58x = 604,567.95 × 203,432.14 - Step 4: Simplify right side
403,278.58x = 122,988,551,843.91 - Step 5: Solve for x
x = 122,988,551,843.91/403,278.58 - Step 6: Final answer
x = 304,971.69
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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.