Finding the Fourth Proportional to 295,267.80, 442,901.70 and 290,083.80
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Solution
The fourth proportional to 295,267.80, 442,901.70 and 290,083.80 is: 435,125.70
Step by Step Solution
- Step 1: Write the proportion equation
295,267.80 : 442,901.70 = 290,083.80 : x - Step 2: Convert to fraction form
295,267.80/442,901.70 = 290,083.80/x - Step 3: Cross multiply
295,267.80x = 442,901.70 × 290,083.80 - Step 4: Simplify right side
295,267.80x = 128,478,608,162.46 - Step 5: Solve for x
x = 128,478,608,162.46/295,267.80 - Step 6: Final answer
x = 435,125.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.