Finding the Fourth Proportional to 408,530.12, 563,770.14 and 229,682.12
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Solution
The fourth proportional to 408,530.12, 563,770.14 and 229,682.12 is: 316,960.52
Step by Step Solution
- Step 1: Write the proportion equation
408,530.12 : 563,770.14 = 229,682.12 : x - Step 2: Convert to fraction form
408,530.12/563,770.14 = 229,682.12/x - Step 3: Cross multiply
408,530.12x = 563,770.14 × 229,682.12 - Step 4: Simplify right side
408,530.12x = 129,487,920,947.90 - Step 5: Solve for x
x = 129,487,920,947.90/408,530.12 - Step 6: Final answer
x = 316,960.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.