Finding the Fourth Proportional to 430,077.42, 593,542.74 and 239,108.58
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Solution
The fourth proportional to 430,077.42, 593,542.74 and 239,108.58 is: 329,989.80
Step by Step Solution
- Step 1: Write the proportion equation
430,077.42 : 593,542.74 = 239,108.58 : x - Step 2: Convert to fraction form
430,077.42/593,542.74 = 239,108.58/x - Step 3: Cross multiply
430,077.42x = 593,542.74 × 239,108.58 - Step 4: Simplify right side
430,077.42x = 141,921,161,730.71 - Step 5: Solve for x
x = 141,921,161,730.71/430,077.42 - Step 6: Final answer
x = 329,989.80
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1.5x scale
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.