Finding the Fourth Proportional to 328,931.14, 453,935.98 and 201,582.14
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Solution
The fourth proportional to 328,931.14, 453,935.98 and 201,582.14 is: 278,190.10
Step by Step Solution
- Step 1: Write the proportion equation
328,931.14 : 453,935.98 = 201,582.14 : x - Step 2: Convert to fraction form
328,931.14/453,935.98 = 201,582.14/x - Step 3: Cross multiply
328,931.14x = 453,935.98 × 201,582.14 - Step 4: Simplify right side
328,931.14x = 91,505,386,271.40 - Step 5: Solve for x
x = 91,505,386,271.40/328,931.14 - Step 6: Final answer
x = 278,190.10
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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.