Finding the Fourth Proportional to 408,140.01, 563,146.79 and 246,963.69
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Solution
The fourth proportional to 408,140.01, 563,146.79 and 246,963.69 is: 340,757.59
Step by Step Solution
- Step 1: Write the proportion equation
408,140.01 : 563,146.79 = 246,963.69 : x - Step 2: Convert to fraction form
408,140.01/563,146.79 = 246,963.69/x - Step 3: Cross multiply
408,140.01x = 563,146.79 × 246,963.69 - Step 4: Simplify right side
408,140.01x = 139,076,808,035.24 - Step 5: Solve for x
x = 139,076,808,035.24/408,140.01 - Step 6: Final answer
x = 340,757.59
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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.