Finding the Fourth Proportional to 403,415.80, 605,058.90 and 122,867.80
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Solution
The fourth proportional to 403,415.80, 605,058.90 and 122,867.80 is: 184,281.96
Step by Step Solution
- Step 1: Write the proportion equation
403,415.80 : 605,058.90 = 122,867.80 : x - Step 2: Convert to fraction form
403,415.80/605,058.90 = 122,867.80/x - Step 3: Cross multiply
403,415.80x = 605,058.90 × 122,867.80 - Step 4: Simplify right side
403,415.80x = 74,342,255,913.42 - Step 5: Solve for x
x = 74,342,255,913.42/403,415.80 - Step 6: Final answer
x = 184,281.96
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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.