Finding the Fourth Proportional to 502,099.68, 692,905.88 and 272,657.44
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Solution
The fourth proportional to 502,099.68, 692,905.88 and 272,657.44 is: 376,271.79
Step by Step Solution
- Step 1: Write the proportion equation
502,099.68 : 692,905.88 = 272,657.44 : x - Step 2: Convert to fraction form
502,099.68/692,905.88 = 272,657.44/x - Step 3: Cross multiply
502,099.68x = 692,905.88 × 272,657.44 - Step 4: Simplify right side
502,099.68x = 188,925,943,401.75 - Step 5: Solve for x
x = 188,925,943,401.75/502,099.68 - Step 6: Final answer
x = 376,271.79
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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.