Finding the Fourth Proportional to 430,071.40, 593,534.44 and 239,102.56
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Solution
The fourth proportional to 430,071.40, 593,534.44 and 239,102.56 is: 329,981.50
Step by Step Solution
- Step 1: Write the proportion equation
430,071.40 : 593,534.44 = 239,102.56 : x - Step 2: Convert to fraction form
430,071.40/593,534.44 = 239,102.56/x - Step 3: Cross multiply
430,071.40x = 593,534.44 × 239,102.56 - Step 4: Simplify right side
430,071.40x = 141,915,604,052.17 - Step 5: Solve for x
x = 141,915,604,052.17/430,071.40 - Step 6: Final answer
x = 329,981.50
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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.