Finding the Fourth Proportional to 106,828.05, 160,254.36 and 47,656.29
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Solution
The fourth proportional to 106,828.05, 160,254.36 and 47,656.29 is: 71,489.92
Step by Step Solution
- Step 1: Write the proportion equation
106,828.05 : 160,254.36 = 47,656.29 : x - Step 2: Convert to fraction form
106,828.05/160,254.36 = 47,656.29/x - Step 3: Cross multiply
106,828.05x = 160,254.36 × 47,656.29 - Step 4: Simplify right side
106,828.05x = 7,637,128,253.92 - Step 5: Solve for x
x = 7,637,128,253.92/106,828.05 - Step 6: Final answer
x = 71,489.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.