Finding the Fourth Proportional to 389,358.24, 537,282.08 and 219,634.08
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Solution
The fourth proportional to 389,358.24, 537,282.08 and 219,634.08 is: 303,076.82
Step by Step Solution
- Step 1: Write the proportion equation
389,358.24 : 537,282.08 = 219,634.08 : x - Step 2: Convert to fraction form
389,358.24/537,282.08 = 219,634.08/x - Step 3: Cross multiply
389,358.24x = 537,282.08 × 219,634.08 - Step 4: Simplify right side
389,358.24x = 118,005,455,341.29 - Step 5: Solve for x
x = 118,005,455,341.29/389,358.24 - Step 6: Final answer
x = 303,076.82
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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.