Finding the Fourth Proportional to 436,034.21, 653,303.93 and 346,353.55
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Solution
The fourth proportional to 436,034.21, 653,303.93 and 346,353.55 is: 518,936.65
Step by Step Solution
- Step 1: Write the proportion equation
436,034.21 : 653,303.93 = 346,353.55 : x - Step 2: Convert to fraction form
436,034.21/653,303.93 = 346,353.55/x - Step 3: Cross multiply
436,034.21x = 653,303.93 × 346,353.55 - Step 4: Simplify right side
436,034.21x = 226,274,132,019.42 - Step 5: Solve for x
x = 226,274,132,019.42/436,034.21 - Step 6: Final answer
x = 518,936.65
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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.