Finding the Fourth Proportional to 180,552.72, 249,162.12 and 101,064.72
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Solution
The fourth proportional to 180,552.72, 249,162.12 and 101,064.72 is: 139,468.96
Step by Step Solution
- Step 1: Write the proportion equation
180,552.72 : 249,162.12 = 101,064.72 : x - Step 2: Convert to fraction form
180,552.72/249,162.12 = 101,064.72/x - Step 3: Cross multiply
180,552.72x = 249,162.12 × 101,064.72 - Step 4: Simplify right side
180,552.72x = 25,181,499,892.41 - Step 5: Solve for x
x = 25,181,499,892.41/180,552.72 - Step 6: Final answer
x = 139,468.96
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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.