Finding the Fourth Proportional to 430,486.92, 594,079.92 and 239,518.08
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Solution
The fourth proportional to 430,486.92, 594,079.92 and 239,518.08 is: 330,539.39
Step by Step Solution
- Step 1: Write the proportion equation
430,486.92 : 594,079.92 = 239,518.08 : x - Step 2: Convert to fraction form
430,486.92/594,079.92 = 239,518.08/x - Step 3: Cross multiply
430,486.92x = 594,079.92 × 239,518.08 - Step 4: Simplify right side
430,486.92x = 142,292,881,804.95 - Step 5: Solve for x
x = 142,292,881,804.95/430,486.92 - Step 6: Final answer
x = 330,539.39
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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.