Finding the Fourth Proportional to 542,927.18, 749,239.22 and 297,913.55
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Solution
The fourth proportional to 542,927.18, 749,239.22 and 297,913.55 is: 411,120.53
Step by Step Solution
- Step 1: Write the proportion equation
542,927.18 : 749,239.22 = 297,913.55 : x - Step 2: Convert to fraction form
542,927.18/749,239.22 = 297,913.55/x - Step 3: Cross multiply
542,927.18x = 749,239.22 × 297,913.55 - Step 4: Simplify right side
542,927.18x = 223,208,512,828.02 - Step 5: Solve for x
x = 223,208,512,828.02/542,927.18 - Step 6: Final answer
x = 411,120.53
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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.