Finding the Fourth Proportional to 272,424.36, 376,130.84 and 170,491.12
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Solution
The fourth proportional to 272,424.36, 376,130.84 and 170,491.12 is: 235,393.66
Step by Step Solution
- Step 1: Write the proportion equation
272,424.36 : 376,130.84 = 170,491.12 : x - Step 2: Convert to fraction form
272,424.36/376,130.84 = 170,491.12/x - Step 3: Cross multiply
272,424.36x = 376,130.84 × 170,491.12 - Step 4: Simplify right side
272,424.36x = 64,126,968,178.14 - Step 5: Solve for x
x = 64,126,968,178.14/272,424.36 - Step 6: Final answer
x = 235,393.66
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1.5x scale
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.