Finding the Fourth Proportional to 149,746.23, 206,648.22 and 81,762.99
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Solution
The fourth proportional to 149,746.23, 206,648.22 and 81,762.99 is: 112,832.06
Step by Step Solution
- Step 1: Write the proportion equation
149,746.23 : 206,648.22 = 81,762.99 : x - Step 2: Convert to fraction form
149,746.23/206,648.22 = 81,762.99/x - Step 3: Cross multiply
149,746.23x = 206,648.22 × 81,762.99 - Step 4: Simplify right side
149,746.23x = 16,896,176,345.38 - Step 5: Solve for x
x = 16,896,176,345.38/149,746.23 - Step 6: Final answer
x = 112,832.06
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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.