Finding the Fourth Proportional to 430,312.69, 593,852.55 and 239,321.98
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Solution
The fourth proportional to 430,312.69, 593,852.55 and 239,321.98 is: 330,276.03
Step by Step Solution
- Step 1: Write the proportion equation
430,312.69 : 593,852.55 = 239,321.98 : x - Step 2: Convert to fraction form
430,312.69/593,852.55 = 239,321.98/x - Step 3: Cross multiply
430,312.69x = 593,852.55 × 239,321.98 - Step 4: Simplify right side
430,312.69x = 142,121,968,094.05 - Step 5: Solve for x
x = 142,121,968,094.05/430,312.69 - Step 6: Final answer
x = 330,276.03
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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.