Finding the Fourth Proportional to 408,968.01, 564,385.50 and 227,692.13
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Solution
The fourth proportional to 408,968.01, 564,385.50 and 227,692.13 is: 314,220.50
Step by Step Solution
- Step 1: Write the proportion equation
408,968.01 : 564,385.50 = 227,692.13 : x - Step 2: Convert to fraction form
408,968.01/564,385.50 = 227,692.13/x - Step 3: Cross multiply
408,968.01x = 564,385.50 × 227,692.13 - Step 4: Simplify right side
408,968.01x = 128,506,133,814.19 - Step 5: Solve for x
x = 128,506,133,814.19/408,968.01 - Step 6: Final answer
x = 314,220.50
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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.