Finding the Fourth Proportional to 430,216.70, 593,699.54 and 239,225.99
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Solution
The fourth proportional to 430,216.70, 593,699.54 and 239,225.99 is: 330,132.14
Step by Step Solution
- Step 1: Write the proportion equation
430,216.70 : 593,699.54 = 239,225.99 : x - Step 2: Convert to fraction form
430,216.70/593,699.54 = 239,225.99/x - Step 3: Cross multiply
430,216.70x = 593,699.54 × 239,225.99 - Step 4: Simplify right side
430,216.70x = 142,028,356,054.42 - Step 5: Solve for x
x = 142,028,356,054.42/430,216.70 - Step 6: Final answer
x = 330,132.14
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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.