Finding the Fourth Proportional to 430,167.19, 593,627.12 and 239,178.91
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Solution
The fourth proportional to 430,167.19, 593,627.12 and 239,178.91 is: 330,064.89
Step by Step Solution
- Step 1: Write the proportion equation
430,167.19 : 593,627.12 = 239,178.91 : x - Step 2: Convert to fraction form
430,167.19/593,627.12 = 239,178.91/x - Step 3: Cross multiply
430,167.19x = 593,627.12 × 239,178.91 - Step 4: Simplify right side
430,167.19x = 141,983,087,508.04 - Step 5: Solve for x
x = 141,983,087,508.04/430,167.19 - Step 6: Final answer
x = 330,064.89
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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.