Finding the Fourth Proportional to 408,790.08, 564,156.87 and 227,501.49
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Solution
The fourth proportional to 408,790.08, 564,156.87 and 227,501.49 is: 313,966.84
Step by Step Solution
- Step 1: Write the proportion equation
408,790.08 : 564,156.87 = 227,501.49 : x - Step 2: Convert to fraction form
408,790.08/564,156.87 = 227,501.49/x - Step 3: Cross multiply
408,790.08x = 564,156.87 × 227,501.49 - Step 4: Simplify right side
408,790.08x = 128,346,528,518.74 - Step 5: Solve for x
x = 128,346,528,518.74/408,790.08 - Step 6: Final answer
x = 313,966.84
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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.