Finding the Fourth Proportional to 145,840.29, 218,741.99 and 57,156.08
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Solution
The fourth proportional to 145,840.29, 218,741.99 and 57,156.08 is: 85,726.88
Step by Step Solution
- Step 1: Write the proportion equation
145,840.29 : 218,741.99 = 57,156.08 : x - Step 2: Convert to fraction form
145,840.29/218,741.99 = 57,156.08/x - Step 3: Cross multiply
145,840.29x = 218,741.99 × 57,156.08 - Step 4: Simplify right side
145,840.29x = 12,502,433,300.31 - Step 5: Solve for x
x = 12,502,433,300.31/145,840.29 - Step 6: Final answer
x = 85,726.88
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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.