Finding the Fourth Proportional to 542,895.96, 749,197.29 and 301,178.53
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Solution
The fourth proportional to 542,895.96, 749,197.29 and 301,178.53 is: 415,626.85
Step by Step Solution
- Step 1: Write the proportion equation
542,895.96 : 749,197.29 = 301,178.53 : x - Step 2: Convert to fraction form
542,895.96/749,197.29 = 301,178.53/x - Step 3: Cross multiply
542,895.96x = 749,197.29 × 301,178.53 - Step 4: Simplify right side
542,895.96x = 225,642,138,482.18 - Step 5: Solve for x
x = 225,642,138,482.18/542,895.96 - Step 6: Final answer
x = 415,626.85
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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.