Finding the Fourth Proportional to 239,545.15, 330,572.64 and 130,649.86
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Solution
The fourth proportional to 239,545.15, 330,572.64 and 130,649.86 is: 180,296.99
Step by Step Solution
- Step 1: Write the proportion equation
239,545.15 : 330,572.64 = 130,649.86 : x - Step 2: Convert to fraction form
239,545.15/330,572.64 = 130,649.86/x - Step 3: Cross multiply
239,545.15x = 330,572.64 × 130,649.86 - Step 4: Simplify right side
239,545.15x = 43,189,270,038.98 - Step 5: Solve for x
x = 43,189,270,038.98/239,545.15 - Step 6: Final answer
x = 180,296.99
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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.