Finding the Fourth Proportional to 430,365.28, 593,835.60 and 239,378.08
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Solution
The fourth proportional to 430,365.28, 593,835.60 and 239,378.08 is: 330,303.66
Step by Step Solution
- Step 1: Write the proportion equation
430,365.28 : 593,835.60 = 239,378.08 : x - Step 2: Convert to fraction form
430,365.28/593,835.60 = 239,378.08/x - Step 3: Cross multiply
430,365.28x = 593,835.60 × 239,378.08 - Step 4: Simplify right side
430,365.28x = 142,151,225,763.65 - Step 5: Solve for x
x = 142,151,225,763.65/430,365.28 - Step 6: Final answer
x = 330,303.66
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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.