Finding the Fourth Proportional to 430,129.98, 593,577.99 and 239,143.32
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Solution
The fourth proportional to 430,129.98, 593,577.99 and 239,143.32 is: 330,017.01
Step by Step Solution
- Step 1: Write the proportion equation
430,129.98 : 593,577.99 = 239,143.32 : x - Step 2: Convert to fraction form
430,129.98/593,577.99 = 239,143.32/x - Step 3: Cross multiply
430,129.98x = 593,577.99 × 239,143.32 - Step 4: Simplify right side
430,129.98x = 141,950,211,207.53 - Step 5: Solve for x
x = 141,950,211,207.53/430,129.98 - Step 6: Final answer
x = 330,017.01
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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.