Finding the Fourth Proportional to 272,937.54, 409,349.84 and 73,210.44
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Solution
The fourth proportional to 272,937.54, 409,349.84 and 73,210.44 is: 109,800.51
Step by Step Solution
- Step 1: Write the proportion equation
272,937.54 : 409,349.84 = 73,210.44 : x - Step 2: Convert to fraction form
272,937.54/409,349.84 = 73,210.44/x - Step 3: Cross multiply
272,937.54x = 409,349.84 × 73,210.44 - Step 4: Simplify right side
272,937.54x = 29,968,681,534.28 - Step 5: Solve for x
x = 29,968,681,534.28/272,937.54 - Step 6: Final answer
x = 109,800.51
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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.