Finding the Fourth Proportional to 430,162.81, 593,621.08 and 239,174.53
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Solution
The fourth proportional to 430,162.81, 593,621.08 and 239,174.53 is: 330,058.85
Step by Step Solution
- Step 1: Write the proportion equation
430,162.81 : 593,621.08 = 239,174.53 : x - Step 2: Convert to fraction form
430,162.81/593,621.08 = 239,174.53/x - Step 3: Cross multiply
430,162.81x = 593,621.08 × 239,174.53 - Step 4: Simplify right side
430,162.81x = 141,979,043,848.09 - Step 5: Solve for x
x = 141,979,043,848.09/430,162.81 - Step 6: Final answer
x = 330,058.85
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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.