Finding the Fourth Proportional to 125,001.84, 187,503.99 and 31,507.59
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Solution
The fourth proportional to 125,001.84, 187,503.99 and 31,507.59 is: 47,261.70
Step by Step Solution
- Step 1: Write the proportion equation
125,001.84 : 187,503.99 = 31,507.59 : x - Step 2: Convert to fraction form
125,001.84/187,503.99 = 31,507.59/x - Step 3: Cross multiply
125,001.84x = 187,503.99 × 31,507.59 - Step 4: Simplify right side
125,001.84x = 5,907,798,840.28 - Step 5: Solve for x
x = 5,907,798,840.28/125,001.84 - Step 6: Final answer
x = 47,261.70
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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.