Finding the Fourth Proportional to 430,745.78, 594,429.18 and 239,755.08
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Solution
The fourth proportional to 430,745.78, 594,429.18 and 239,755.08 is: 330,862.01
Step by Step Solution
- Step 1: Write the proportion equation
430,745.78 : 594,429.18 = 239,755.08 : x - Step 2: Convert to fraction form
430,745.78/594,429.18 = 239,755.08/x - Step 3: Cross multiply
430,745.78x = 594,429.18 × 239,755.08 - Step 4: Simplify right side
430,745.78x = 142,517,415,605.23 - Step 5: Solve for x
x = 142,517,415,605.23/430,745.78 - Step 6: Final answer
x = 330,862.01
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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.