Finding the Fourth Proportional to 257,595.04, 386,392.74 and 207,439.84
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Solution
The fourth proportional to 257,595.04, 386,392.74 and 207,439.84 is: 311,159.90
Step by Step Solution
- Step 1: Write the proportion equation
257,595.04 : 386,392.74 = 207,439.84 : x - Step 2: Convert to fraction form
257,595.04/386,392.74 = 207,439.84/x - Step 3: Cross multiply
257,595.04x = 386,392.74 × 207,439.84 - Step 4: Simplify right side
257,595.04x = 80,153,248,162.76 - Step 5: Solve for x
x = 80,153,248,162.76/257,595.04 - Step 6: Final answer
x = 311,159.90
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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.