Finding the Fourth Proportional to 700,177.80, 1,050,266.70 and 326,929.80
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Solution
The fourth proportional to 700,177.80, 1,050,266.70 and 326,929.80 is: 490,394.70
Step by Step Solution
- Step 1: Write the proportion equation
700,177.80 : 1,050,266.70 = 326,929.80 : x - Step 2: Convert to fraction form
700,177.80/1,050,266.70 = 326,929.80/x - Step 3: Cross multiply
700,177.80x = 1,050,266.70 × 326,929.80 - Step 4: Simplify right side
700,177.80x = 343,363,482,177.66 - Step 5: Solve for x
x = 343,363,482,177.66/700,177.80 - Step 6: Final answer
x = 490,394.70
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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.