Finding the Fourth Proportional to 546,756.66, 820,135.59 and 147,437.19
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Solution
The fourth proportional to 546,756.66, 820,135.59 and 147,437.19 is: 221,155.95
Step by Step Solution
- Step 1: Write the proportion equation
546,756.66 : 820,135.59 = 147,437.19 : x - Step 2: Convert to fraction form
546,756.66/820,135.59 = 147,437.19/x - Step 3: Cross multiply
546,756.66x = 820,135.59 × 147,437.19 - Step 4: Simplify right side
546,756.66x = 120,918,486,808.59 - Step 5: Solve for x
x = 120,918,486,808.59/546,756.66 - Step 6: Final answer
x = 221,155.95
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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.