Finding the Fourth Proportional to 355,709.84, 533,565.66 and 145,347.77
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Solution
The fourth proportional to 355,709.84, 533,565.66 and 145,347.77 is: 218,022.02
Step by Step Solution
- Step 1: Write the proportion equation
355,709.84 : 533,565.66 = 145,347.77 : x - Step 2: Convert to fraction form
355,709.84/533,565.66 = 145,347.77/x - Step 3: Cross multiply
355,709.84x = 533,565.66 × 145,347.77 - Step 4: Simplify right side
355,709.84x = 77,552,576,161.75 - Step 5: Solve for x
x = 77,552,576,161.75/355,709.84 - Step 6: Final answer
x = 218,022.02
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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.