Finding the Fourth Proportional to 249,905.80, 374,858.70 and 83,693.80
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Solution
The fourth proportional to 249,905.80, 374,858.70 and 83,693.80 is: 125,540.70
Step by Step Solution
- Step 1: Write the proportion equation
249,905.80 : 374,858.70 = 83,693.80 : x - Step 2: Convert to fraction form
249,905.80/374,858.70 = 83,693.80/x - Step 3: Cross multiply
249,905.80x = 374,858.70 × 83,693.80 - Step 4: Simplify right side
249,905.80x = 31,373,349,066.06 - Step 5: Solve for x
x = 31,373,349,066.06/249,905.80 - Step 6: Final answer
x = 125,540.70
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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.