Finding the Fourth Proportional to 382,332.79, 527,610.58 and 207,899.19
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Solution
The fourth proportional to 382,332.79, 527,610.58 and 207,899.19 is: 286,896.17
Step by Step Solution
- Step 1: Write the proportion equation
382,332.79 : 527,610.58 = 207,899.19 : x - Step 2: Convert to fraction form
382,332.79/527,610.58 = 207,899.19/x - Step 3: Cross multiply
382,332.79x = 527,610.58 × 207,899.19 - Step 4: Simplify right side
382,332.79x = 109,689,811,697.68 - Step 5: Solve for x
x = 109,689,811,697.68/382,332.79 - Step 6: Final answer
x = 286,896.17
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1.5x scale
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.