Finding the Fourth Proportional to 886,484.63, 1,329,726.95 and 221,636.63
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Solution
The fourth proportional to 886,484.63, 1,329,726.95 and 221,636.63 is: 332,454.94
Step by Step Solution
- Step 1: Write the proportion equation
886,484.63 : 1,329,726.95 = 221,636.63 : x - Step 2: Convert to fraction form
886,484.63/1,329,726.95 = 221,636.63/x - Step 3: Cross multiply
886,484.63x = 1,329,726.95 × 221,636.63 - Step 4: Simplify right side
886,484.63x = 294,716,192,261.36 - Step 5: Solve for x
x = 294,716,192,261.36/886,484.63 - Step 6: Final answer
x = 332,454.94
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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.