Finding the Fourth Proportional to 207,426.24, 286,294.77 and 135,764.53
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Solution
The fourth proportional to 207,426.24, 286,294.77 and 135,764.53 is: 187,385.52
Step by Step Solution
- Step 1: Write the proportion equation
207,426.24 : 286,294.77 = 135,764.53 : x - Step 2: Convert to fraction form
207,426.24/286,294.77 = 135,764.53/x - Step 3: Cross multiply
207,426.24x = 286,294.77 × 135,764.53 - Step 4: Simplify right side
207,426.24x = 38,868,674,174.77 - Step 5: Solve for x
x = 38,868,674,174.77/207,426.24 - Step 6: Final answer
x = 187,385.52
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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.