Finding the Fourth Proportional to 105,689.05, 158,533.23 and 26,803.08
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Solution
The fourth proportional to 105,689.05, 158,533.23 and 26,803.08 is: 40,204.53
Step by Step Solution
- Step 1: Write the proportion equation
105,689.05 : 158,533.23 = 26,803.08 : x - Step 2: Convert to fraction form
105,689.05/158,533.23 = 26,803.08/x - Step 3: Cross multiply
105,689.05x = 158,533.23 × 26,803.08 - Step 4: Simplify right side
105,689.05x = 4,249,178,846.35 - Step 5: Solve for x
x = 4,249,178,846.35/105,689.05 - Step 6: Final answer
x = 40,204.53
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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.