Finding the Fourth Proportional to 149,209.68, 223,816.84 and 83,070.19
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Solution
The fourth proportional to 149,209.68, 223,816.84 and 83,070.19 is: 124,606.58
Step by Step Solution
- Step 1: Write the proportion equation
149,209.68 : 223,816.84 = 83,070.19 : x - Step 2: Convert to fraction form
149,209.68/223,816.84 = 83,070.19/x - Step 3: Cross multiply
149,209.68x = 223,816.84 × 83,070.19 - Step 4: Simplify right side
149,209.68x = 18,592,507,496.10 - Step 5: Solve for x
x = 18,592,507,496.10/149,209.68 - Step 6: Final answer
x = 124,606.58
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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.