Finding the Fourth Proportional to 431,745.64, 595,812.86 and 238,160.76
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Solution
The fourth proportional to 431,745.64, 595,812.86 and 238,160.76 is: 328,663.99
Step by Step Solution
- Step 1: Write the proportion equation
431,745.64 : 595,812.86 = 238,160.76 : x - Step 2: Convert to fraction form
431,745.64/595,812.86 = 238,160.76/x - Step 3: Cross multiply
431,745.64x = 595,812.86 × 238,160.76 - Step 4: Simplify right side
431,745.64x = 141,899,243,555.37 - Step 5: Solve for x
x = 141,899,243,555.37/431,745.64 - Step 6: Final answer
x = 328,663.99
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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.