Finding the Fourth Proportional to 236,487.40, 354,731.10 and 217,133.80
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Solution
The fourth proportional to 236,487.40, 354,731.10 and 217,133.80 is: 325,700.70
Step by Step Solution
- Step 1: Write the proportion equation
236,487.40 : 354,731.10 = 217,133.80 : x - Step 2: Convert to fraction form
236,487.40/354,731.10 = 217,133.80/x - Step 3: Cross multiply
236,487.40x = 354,731.10 × 217,133.80 - Step 4: Simplify right side
236,487.40x = 77,024,111,721.18 - Step 5: Solve for x
x = 77,024,111,721.18/236,487.40 - Step 6: Final answer
x = 325,700.70
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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.