Finding the Fourth Proportional to 180,698.84, 249,360.68 and 100,125.66
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Solution
The fourth proportional to 180,698.84, 249,360.68 and 100,125.66 is: 138,171.35
Step by Step Solution
- Step 1: Write the proportion equation
180,698.84 : 249,360.68 = 100,125.66 : x - Step 2: Convert to fraction form
180,698.84/249,360.68 = 100,125.66/x - Step 3: Cross multiply
180,698.84x = 249,360.68 × 100,125.66 - Step 4: Simplify right side
180,698.84x = 24,967,403,109.93 - Step 5: Solve for x
x = 24,967,403,109.93/180,698.84 - Step 6: Final answer
x = 138,171.35
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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.