Finding the Fourth Proportional to 180,743.35, 249,425.84 and 100,176.07
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Solution
The fourth proportional to 180,743.35, 249,425.84 and 100,176.07 is: 138,242.99
Step by Step Solution
- Step 1: Write the proportion equation
180,743.35 : 249,425.84 = 100,176.07 : x - Step 2: Convert to fraction form
180,743.35/249,425.84 = 100,176.07/x - Step 3: Cross multiply
180,743.35x = 249,425.84 × 100,176.07 - Step 4: Simplify right side
180,743.35x = 24,986,500,407.65 - Step 5: Solve for x
x = 24,986,500,407.65/180,743.35 - Step 6: Final answer
x = 138,242.99
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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.