Finding the Fourth Proportional to 305,084.16, 457,756.92 and 147,430.08
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Solution
The fourth proportional to 305,084.16, 457,756.92 and 147,430.08 is: 221,208.27
Step by Step Solution
- Step 1: Write the proportion equation
305,084.16 : 457,756.92 = 147,430.08 : x - Step 2: Convert to fraction form
305,084.16/457,756.92 = 147,430.08/x - Step 3: Cross multiply
305,084.16x = 457,756.92 × 147,430.08 - Step 4: Simplify right side
305,084.16x = 67,487,139,336.15 - Step 5: Solve for x
x = 67,487,139,336.15/305,084.16 - Step 6: Final answer
x = 221,208.27
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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.