Finding the Fourth Proportional to 468,294.68, 645,807.98 and 310,852.08
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Solution
The fourth proportional to 468,294.68, 645,807.98 and 310,852.08 is: 428,684.68
Step by Step Solution
- Step 1: Write the proportion equation
468,294.68 : 645,807.98 = 310,852.08 : x - Step 2: Convert to fraction form
468,294.68/645,807.98 = 310,852.08/x - Step 3: Cross multiply
468,294.68x = 645,807.98 × 310,852.08 - Step 4: Simplify right side
468,294.68x = 200,750,753,863.60 - Step 5: Solve for x
x = 200,750,753,863.60/468,294.68 - Step 6: Final answer
x = 428,684.68
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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.