Finding the Fourth Proportional to 318,516.44, 439,541.66 and 175,263.08
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Solution
The fourth proportional to 318,516.44, 439,541.66 and 175,263.08 is: 241,856.98
Step by Step Solution
- Step 1: Write the proportion equation
318,516.44 : 439,541.66 = 175,263.08 : x - Step 2: Convert to fraction form
318,516.44/439,541.66 = 175,263.08/x - Step 3: Cross multiply
318,516.44x = 439,541.66 × 175,263.08 - Step 4: Simplify right side
318,516.44x = 77,035,423,360.36 - Step 5: Solve for x
x = 77,035,423,360.36/318,516.44 - Step 6: Final answer
x = 241,856.98
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1.5x scale
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.