Finding the Fourth Proportional to 539,984.16, 745,163.85 and 298,261.53
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Solution
The fourth proportional to 539,984.16, 745,163.85 and 298,261.53 is: 411,593.02
Step by Step Solution
- Step 1: Write the proportion equation
539,984.16 : 745,163.85 = 298,261.53 : x - Step 2: Convert to fraction form
539,984.16/745,163.85 = 298,261.53/x - Step 3: Cross multiply
539,984.16x = 745,163.85 × 298,261.53 - Step 4: Simplify right side
539,984.16x = 222,253,710,001.69 - Step 5: Solve for x
x = 222,253,710,001.69/539,984.16 - Step 6: Final answer
x = 411,593.02
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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.