Finding the Fourth Proportional to 149,018.24, 205,541.07 and 101,188.55
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Solution
The fourth proportional to 149,018.24, 205,541.07 and 101,188.55 is: 139,569.51
Step by Step Solution
- Step 1: Write the proportion equation
149,018.24 : 205,541.07 = 101,188.55 : x - Step 2: Convert to fraction form
149,018.24/205,541.07 = 101,188.55/x - Step 3: Cross multiply
149,018.24x = 205,541.07 × 101,188.55 - Step 4: Simplify right side
149,018.24x = 20,798,402,838.75 - Step 5: Solve for x
x = 20,798,402,838.75/149,018.24 - Step 6: Final answer
x = 139,569.51
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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.