Finding the Fourth Proportional to 316,739.64, 475,178.64 and 106,372.08
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Solution
The fourth proportional to 316,739.64, 475,178.64 and 106,372.08 is: 159,581.35
Step by Step Solution
- Step 1: Write the proportion equation
316,739.64 : 475,178.64 = 106,372.08 : x - Step 2: Convert to fraction form
316,739.64/475,178.64 = 106,372.08/x - Step 3: Cross multiply
316,739.64x = 475,178.64 × 106,372.08 - Step 4: Simplify right side
316,739.64x = 50,545,740,308.37 - Step 5: Solve for x
x = 50,545,740,308.37/316,739.64 - Step 6: Final answer
x = 159,581.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.