Finding the Fourth Proportional to 328,655.98, 453,558.99 and 207,753.76
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Solution
The fourth proportional to 328,655.98, 453,558.99 and 207,753.76 is: 286,708.87
Step by Step Solution
- Step 1: Write the proportion equation
328,655.98 : 453,558.99 = 207,753.76 : x - Step 2: Convert to fraction form
328,655.98/453,558.99 = 207,753.76/x - Step 3: Cross multiply
328,655.98x = 453,558.99 × 207,753.76 - Step 4: Simplify right side
328,655.98x = 94,228,585,554.30 - Step 5: Solve for x
x = 94,228,585,554.30/328,655.98 - Step 6: Final answer
x = 286,708.87
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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.