Finding the Fourth Proportional to 430,214.21, 593,696.11 and 239,223.50
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Solution
The fourth proportional to 430,214.21, 593,696.11 and 239,223.50 is: 330,128.71
Step by Step Solution
- Step 1: Write the proportion equation
430,214.21 : 593,696.11 = 239,223.50 : x - Step 2: Convert to fraction form
430,214.21/593,696.11 = 239,223.50/x - Step 3: Cross multiply
430,214.21x = 593,696.11 × 239,223.50 - Step 4: Simplify right side
430,214.21x = 142,026,062,256.77 - Step 5: Solve for x
x = 142,026,062,256.77/430,214.21 - Step 6: Final answer
x = 330,128.71
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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.