Finding the Fourth Proportional to 413,493.68, 570,621.28 and 232,205.76
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Solution
The fourth proportional to 413,493.68, 570,621.28 and 232,205.76 is: 320,443.95
Step by Step Solution
- Step 1: Write the proportion equation
413,493.68 : 570,621.28 = 232,205.76 : x - Step 2: Convert to fraction form
413,493.68/570,621.28 = 232,205.76/x - Step 3: Cross multiply
413,493.68x = 570,621.28 × 232,205.76 - Step 4: Simplify right side
413,493.68x = 132,501,547,994.57 - Step 5: Solve for x
x = 132,501,547,994.57/413,493.68 - Step 6: Final answer
x = 320,443.95
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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.