Finding the Fourth Proportional to 405,267.41, 607,913.42 and 139,024.08
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Solution
The fourth proportional to 405,267.41, 607,913.42 and 139,024.08 is: 208,540.34
Step by Step Solution
- Step 1: Write the proportion equation
405,267.41 : 607,913.42 = 139,024.08 : x - Step 2: Convert to fraction form
405,267.41/607,913.42 = 139,024.08/x - Step 3: Cross multiply
405,267.41x = 607,913.42 × 139,024.08 - Step 4: Simplify right side
405,267.41x = 84,514,603,240.03 - Step 5: Solve for x
x = 84,514,603,240.03/405,267.41 - Step 6: Final answer
x = 208,540.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.