Finding the Fourth Proportional to 260,170.07, 358,988.76 and 145,412.03
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Solution
The fourth proportional to 260,170.07, 358,988.76 and 145,412.03 is: 200,642.92
Step by Step Solution
- Step 1: Write the proportion equation
260,170.07 : 358,988.76 = 145,412.03 : x - Step 2: Convert to fraction form
260,170.07/358,988.76 = 145,412.03/x - Step 3: Cross multiply
260,170.07x = 358,988.76 × 145,412.03 - Step 4: Simplify right side
260,170.07x = 52,201,282,543.84 - Step 5: Solve for x
x = 52,201,282,543.84/260,170.07 - Step 6: Final answer
x = 200,642.92
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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.