Finding the Fourth Proportional to 408,437.76, 563,657.28 and 247,322.88
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Solution
The fourth proportional to 408,437.76, 563,657.28 and 247,322.88 is: 341,313.55
Step by Step Solution
- Step 1: Write the proportion equation
408,437.76 : 563,657.28 = 247,322.88 : x - Step 2: Convert to fraction form
408,437.76/563,657.28 = 247,322.88/x - Step 3: Cross multiply
408,437.76x = 563,657.28 × 247,322.88 - Step 4: Simplify right side
408,437.76x = 139,405,341,822.57 - Step 5: Solve for x
x = 139,405,341,822.57/408,437.76 - Step 6: Final answer
x = 341,313.55
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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.