Finding the Fourth Proportional to 187,828.47, 259,121.84 and 124,254.81
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Solution
The fourth proportional to 187,828.47, 259,121.84 and 124,254.81 is: 171,417.75
Step by Step Solution
- Step 1: Write the proportion equation
187,828.47 : 259,121.84 = 124,254.81 : x - Step 2: Convert to fraction form
187,828.47/259,121.84 = 124,254.81/x - Step 3: Cross multiply
187,828.47x = 259,121.84 × 124,254.81 - Step 4: Simplify right side
187,828.47x = 32,197,134,374.78 - Step 5: Solve for x
x = 32,197,134,374.78/187,828.47 - Step 6: Final answer
x = 171,417.75
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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.