Finding the Fourth Proportional to 270,053.40, 372,681.21 and 149,202.48
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Solution
The fourth proportional to 270,053.40, 372,681.21 and 149,202.48 is: 205,903.58
Step by Step Solution
- Step 1: Write the proportion equation
270,053.40 : 372,681.21 = 149,202.48 : x - Step 2: Convert to fraction form
270,053.40/372,681.21 = 149,202.48/x - Step 3: Cross multiply
270,053.40x = 372,681.21 × 149,202.48 - Step 4: Simplify right side
270,053.40x = 55,604,960,781.40 - Step 5: Solve for x
x = 55,604,960,781.40/270,053.40 - Step 6: Final answer
x = 205,903.58
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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.