Finding the Fourth Proportional to 180,763.52, 249,454.08 and 100,191.68
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Solution
The fourth proportional to 180,763.52, 249,454.08 and 100,191.68 is: 138,264.75
Step by Step Solution
- Step 1: Write the proportion equation
180,763.52 : 249,454.08 = 100,191.68 : x - Step 2: Convert to fraction form
180,763.52/249,454.08 = 100,191.68/x - Step 3: Cross multiply
180,763.52x = 249,454.08 × 100,191.68 - Step 4: Simplify right side
180,763.52x = 24,993,223,358.05 - Step 5: Solve for x
x = 24,993,223,358.05/180,763.52 - Step 6: Final answer
x = 138,264.75
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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.