Finding the Fourth Proportional to 408,392.99, 563,499.74 and 238,594.31
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Solution
The fourth proportional to 408,392.99, 563,499.74 and 238,594.31 is: 329,211.90
Step by Step Solution
- Step 1: Write the proportion equation
408,392.99 : 563,499.74 = 238,594.31 : x - Step 2: Convert to fraction form
408,392.99/563,499.74 = 238,594.31/x - Step 3: Cross multiply
408,392.99x = 563,499.74 × 238,594.31 - Step 4: Simplify right side
408,392.99x = 134,447,830,200.50 - Step 5: Solve for x
x = 134,447,830,200.50/408,392.99 - Step 6: Final answer
x = 329,211.90
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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.