Finding the Fourth Proportional to 256,095.24, 353,430.98 and 141,395.95
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Solution
The fourth proportional to 256,095.24, 353,430.98 and 141,395.95 is: 195,137.20
Step by Step Solution
- Step 1: Write the proportion equation
256,095.24 : 353,430.98 = 141,395.95 : x - Step 2: Convert to fraction form
256,095.24/353,430.98 = 141,395.95/x - Step 3: Cross multiply
256,095.24x = 353,430.98 × 141,395.95 - Step 4: Simplify right side
256,095.24x = 49,973,709,176.53 - Step 5: Solve for x
x = 49,973,709,176.53/256,095.24 - Step 6: Final answer
x = 195,137.20
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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.