Finding the Fourth Proportional to 124,207.24, 171,406.64 and 67,619.02
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Solution
The fourth proportional to 124,207.24, 171,406.64 and 67,619.02 is: 93,314.60
Step by Step Solution
- Step 1: Write the proportion equation
124,207.24 : 171,406.64 = 67,619.02 : x - Step 2: Convert to fraction form
124,207.24/171,406.64 = 67,619.02/x - Step 3: Cross multiply
124,207.24x = 171,406.64 × 67,619.02 - Step 4: Simplify right side
124,207.24x = 11,590,349,018.29 - Step 5: Solve for x
x = 11,590,349,018.29/124,207.24 - Step 6: Final answer
x = 93,314.60
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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.