Finding the Fourth Proportional to 520,110.24, 717,664.80 and 316,126.08
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Solution
The fourth proportional to 520,110.24, 717,664.80 and 316,126.08 is: 436,200.91
Step by Step Solution
- Step 1: Write the proportion equation
520,110.24 : 717,664.80 = 316,126.08 : x - Step 2: Convert to fraction form
520,110.24/717,664.80 = 316,126.08/x - Step 3: Cross multiply
520,110.24x = 717,664.80 × 316,126.08 - Step 4: Simplify right side
520,110.24x = 226,872,559,977.98 - Step 5: Solve for x
x = 226,872,559,977.98/520,110.24 - Step 6: Final answer
x = 436,200.91
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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.