Finding the Fourth Proportional to 867,748.14, 1,301,490.99 and 236,711.70
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Solution
The fourth proportional to 867,748.14, 1,301,490.99 and 236,711.70 is: 355,031.75
Step by Step Solution
- Step 1: Write the proportion equation
867,748.14 : 1,301,490.99 = 236,711.70 : x - Step 2: Convert to fraction form
867,748.14/1,301,490.99 = 236,711.70/x - Step 3: Cross multiply
867,748.14x = 1,301,490.99 × 236,711.70 - Step 4: Simplify right side
867,748.14x = 308,078,144,777.58 - Step 5: Solve for x
x = 308,078,144,777.58/867,748.14 - Step 6: Final answer
x = 355,031.75
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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.