Finding the Fourth Proportional to 430,212.51, 593,668.88 and 239,221.80
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Solution
The fourth proportional to 430,212.51, 593,668.88 and 239,221.80 is: 330,112.52
Step by Step Solution
- Step 1: Write the proportion equation
430,212.51 : 593,668.88 = 239,221.80 : x - Step 2: Convert to fraction form
430,212.51/593,668.88 = 239,221.80/x - Step 3: Cross multiply
430,212.51x = 593,668.88 × 239,221.80 - Step 4: Simplify right side
430,212.51x = 142,018,536,881.48 - Step 5: Solve for x
x = 142,018,536,881.48/430,212.51 - Step 6: Final answer
x = 330,112.52
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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.