Finding the Fourth Proportional to 408,492.36, 563,489.37 and 245,106.63
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Solution
The fourth proportional to 408,492.36, 563,489.37 and 245,106.63 is: 338,109.09
Step by Step Solution
- Step 1: Write the proportion equation
408,492.36 : 563,489.37 = 245,106.63 : x - Step 2: Convert to fraction form
408,492.36/563,489.37 = 245,106.63/x - Step 3: Cross multiply
408,492.36x = 563,489.37 × 245,106.63 - Step 4: Simplify right side
408,492.36x = 138,114,980,521.52 - Step 5: Solve for x
x = 138,114,980,521.52/408,492.36 - Step 6: Final answer
x = 338,109.09
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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.