Finding the Fourth Proportional to 502,206.36, 693,049.79 and 272,768.18
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Solution
The fourth proportional to 502,206.36, 693,049.79 and 272,768.18 is: 376,422.80
Step by Step Solution
- Step 1: Write the proportion equation
502,206.36 : 693,049.79 = 272,768.18 : x - Step 2: Convert to fraction form
502,206.36/693,049.79 = 272,768.18/x - Step 3: Cross multiply
502,206.36x = 693,049.79 × 272,768.18 - Step 4: Simplify right side
502,206.36x = 189,041,925,038.59 - Step 5: Solve for x
x = 189,041,925,038.59/502,206.36 - Step 6: Final answer
x = 376,422.80
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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.