Finding the Fourth Proportional to 411,437.70, 617,156.55 and 201,485.70
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Solution
The fourth proportional to 411,437.70, 617,156.55 and 201,485.70 is: 302,228.55
Step by Step Solution
- Step 1: Write the proportion equation
411,437.70 : 617,156.55 = 201,485.70 : x - Step 2: Convert to fraction form
411,437.70/617,156.55 = 201,485.70/x - Step 3: Cross multiply
411,437.70x = 617,156.55 × 201,485.70 - Step 4: Simplify right side
411,437.70x = 124,348,219,486.34 - Step 5: Solve for x
x = 124,348,219,486.34/411,437.70 - Step 6: Final answer
x = 302,228.55
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Similar ratio
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1.5x scale
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.