Finding the Fourth Proportional to 455,566.80, 683,641.80 and 266,026.80
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Solution
The fourth proportional to 455,566.80, 683,641.80 and 266,026.80 is: 399,210.48
Step by Step Solution
- Step 1: Write the proportion equation
455,566.80 : 683,641.80 = 266,026.80 : x - Step 2: Convert to fraction form
455,566.80/683,641.80 = 266,026.80/x - Step 3: Cross multiply
455,566.80x = 683,641.80 × 266,026.80 - Step 4: Simplify right side
455,566.80x = 181,867,040,400.24 - Step 5: Solve for x
x = 181,867,040,400.24/455,566.80 - Step 6: Final answer
x = 399,210.48
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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.