Finding the Fourth Proportional to 408,065.18, 563,042.95 and 246,888.14
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Solution
The fourth proportional to 408,065.18, 563,042.95 and 246,888.14 is: 340,652.99
Step by Step Solution
- Step 1: Write the proportion equation
408,065.18 : 563,042.95 = 246,888.14 : x - Step 2: Convert to fraction form
408,065.18/563,042.95 = 246,888.14/x - Step 3: Cross multiply
408,065.18x = 563,042.95 × 246,888.14 - Step 4: Simplify right side
408,065.18x = 139,008,623,233.18 - Step 5: Solve for x
x = 139,008,623,233.18/408,065.18 - Step 6: Final answer
x = 340,652.99
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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.