Finding the Fourth Proportional to 160,463.68, 221,498.04 and 93,395.68
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Solution
The fourth proportional to 160,463.68, 221,498.04 and 93,395.68 is: 128,919.89
Step by Step Solution
- Step 1: Write the proportion equation
160,463.68 : 221,498.04 = 93,395.68 : x - Step 2: Convert to fraction form
160,463.68/221,498.04 = 93,395.68/x - Step 3: Cross multiply
160,463.68x = 221,498.04 × 93,395.68 - Step 4: Simplify right side
160,463.68x = 20,686,960,064.47 - Step 5: Solve for x
x = 20,686,960,064.47/160,463.68 - Step 6: Final answer
x = 128,919.89
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1.5x scale
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.