Finding the Fourth Proportional to 257,402.52, 355,215.24 and 144,226.08
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Solution
The fourth proportional to 257,402.52, 355,215.24 and 144,226.08 is: 199,031.86
Step by Step Solution
- Step 1: Write the proportion equation
257,402.52 : 355,215.24 = 144,226.08 : x - Step 2: Convert to fraction form
257,402.52/355,215.24 = 144,226.08/x - Step 3: Cross multiply
257,402.52x = 355,215.24 × 144,226.08 - Step 4: Simplify right side
257,402.52x = 51,231,301,621.46 - Step 5: Solve for x
x = 51,231,301,621.46/257,402.52 - Step 6: Final answer
x = 199,031.86
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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.