Finding the Fourth Proportional to 408,401.76, 563,511.84 and 238,603.08
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Solution
The fourth proportional to 408,401.76, 563,511.84 and 238,603.08 is: 329,224.00
Step by Step Solution
- Step 1: Write the proportion equation
408,401.76 : 563,511.84 = 238,603.08 : x - Step 2: Convert to fraction form
408,401.76/563,511.84 = 238,603.08/x - Step 3: Cross multiply
408,401.76x = 563,511.84 × 238,603.08 - Step 4: Simplify right side
408,401.76x = 134,455,660,640.47 - Step 5: Solve for x
x = 134,455,660,640.47/408,401.76 - Step 6: Final answer
x = 329,224.00
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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.