Finding the Fourth Proportional to 223,048.08, 307,802.52 and 122,445.36
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Solution
The fourth proportional to 223,048.08, 307,802.52 and 122,445.36 is: 168,972.49
Step by Step Solution
- Step 1: Write the proportion equation
223,048.08 : 307,802.52 = 122,445.36 : x - Step 2: Convert to fraction form
223,048.08/307,802.52 = 122,445.36/x - Step 3: Cross multiply
223,048.08x = 307,802.52 × 122,445.36 - Step 4: Simplify right side
223,048.08x = 37,688,990,370.31 - Step 5: Solve for x
x = 37,688,990,370.31/223,048.08 - Step 6: Final answer
x = 168,972.49
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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.