Finding the Fourth Proportional to 817,193.76, 1,225,790.64 and 256,272
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Solution
The fourth proportional to 817,193.76, 1,225,790.64 and 256,272 is: 384,408.00
Step by Step Solution
- Step 1: Write the proportion equation
817,193.76 : 1,225,790.64 = 256,272 : x - Step 2: Convert to fraction form
817,193.76/1,225,790.64 = 256,272/x - Step 3: Cross multiply
817,193.76x = 1,225,790.64 × 256,272 - Step 4: Simplify right side
817,193.76x = 314,135,818,894.08 - Step 5: Solve for x
x = 314,135,818,894.08/817,193.76 - Step 6: Final answer
x = 384,408.00
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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.