Finding the Fourth Proportional to 307,353.08, 424,149.67 and 171,395.84
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Solution
The fourth proportional to 307,353.08, 424,149.67 and 171,395.84 is: 236,527.60
Step by Step Solution
- Step 1: Write the proportion equation
307,353.08 : 424,149.67 = 171,395.84 : x - Step 2: Convert to fraction form
307,353.08/424,149.67 = 171,395.84/x - Step 3: Cross multiply
307,353.08x = 424,149.67 × 171,395.84 - Step 4: Simplify right side
307,353.08x = 72,697,486,303.59 - Step 5: Solve for x
x = 72,697,486,303.59/307,353.08 - Step 6: Final answer
x = 236,527.60
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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.