Finding the Fourth Proportional to 430,742.64, 594,424.86 and 239,751.94
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Solution
The fourth proportional to 430,742.64, 594,424.86 and 239,751.94 is: 330,857.69
Step by Step Solution
- Step 1: Write the proportion equation
430,742.64 : 594,424.86 = 239,751.94 : x - Step 2: Convert to fraction form
430,742.64/594,424.86 = 239,751.94/x - Step 3: Cross multiply
430,742.64x = 594,424.86 × 239,751.94 - Step 4: Simplify right side
430,742.64x = 142,514,513,369.23 - Step 5: Solve for x
x = 142,514,513,369.23/430,742.64 - Step 6: Final answer
x = 330,857.69
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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.