Finding the Fourth Proportional to 180,767.84, 249,474.56 and 100,220.63
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Solution
The fourth proportional to 180,767.84, 249,474.56 and 100,220.63 is: 138,312.75
Step by Step Solution
- Step 1: Write the proportion equation
180,767.84 : 249,474.56 = 100,220.63 : x - Step 2: Convert to fraction form
180,767.84/249,474.56 = 100,220.63/x - Step 3: Cross multiply
180,767.84x = 249,474.56 × 100,220.63 - Step 4: Simplify right side
180,767.84x = 25,002,497,572.17 - Step 5: Solve for x
x = 25,002,497,572.17/180,767.84 - Step 6: Final answer
x = 138,312.75
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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.