Finding the Fourth Proportional to 272,889.64, 376,578.21 and 152,024.68
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Solution
The fourth proportional to 272,889.64, 376,578.21 and 152,024.68 is: 209,788.77
Step by Step Solution
- Step 1: Write the proportion equation
272,889.64 : 376,578.21 = 152,024.68 : x - Step 2: Convert to fraction form
272,889.64/376,578.21 = 152,024.68/x - Step 3: Cross multiply
272,889.64x = 376,578.21 × 152,024.68 - Step 4: Simplify right side
272,889.64x = 57,249,181,870.22 - Step 5: Solve for x
x = 57,249,181,870.22/272,889.64 - Step 6: Final answer
x = 209,788.77
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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.