Finding the Fourth Proportional to 180,720.06, 249,394.26 and 100,148.91
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Solution
The fourth proportional to 180,720.06, 249,394.26 and 100,148.91 is: 138,205.82
Step by Step Solution
- Step 1: Write the proportion equation
180,720.06 : 249,394.26 = 100,148.91 : x - Step 2: Convert to fraction form
180,720.06/249,394.26 = 100,148.91/x - Step 3: Cross multiply
180,720.06x = 249,394.26 × 100,148.91 - Step 4: Simplify right side
180,720.06x = 24,976,563,299.26 - Step 5: Solve for x
x = 24,976,563,299.26/180,720.06 - Step 6: Final answer
x = 138,205.82
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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.