Finding the Fourth Proportional to 358,090.42, 537,170.70 and 130,447.90
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Solution
The fourth proportional to 358,090.42, 537,170.70 and 130,447.90 is: 195,684.63
Step by Step Solution
- Step 1: Write the proportion equation
358,090.42 : 537,170.70 = 130,447.90 : x - Step 2: Convert to fraction form
358,090.42/537,170.70 = 130,447.90/x - Step 3: Cross multiply
358,090.42x = 537,170.70 × 130,447.90 - Step 4: Simplify right side
358,090.42x = 70,072,789,756.53 - Step 5: Solve for x
x = 70,072,789,756.53/358,090.42 - Step 6: Final answer
x = 195,684.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.