Finding the Fourth Proportional to 472,671.12, 652,293.84 and 257,811.13
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Solution
The fourth proportional to 472,671.12, 652,293.84 and 257,811.13 is: 355,783.56
Step by Step Solution
- Step 1: Write the proportion equation
472,671.12 : 652,293.84 = 257,811.13 : x - Step 2: Convert to fraction form
472,671.12/652,293.84 = 257,811.13/x - Step 3: Cross multiply
472,671.12x = 652,293.84 × 257,811.13 - Step 4: Simplify right side
472,671.12x = 168,168,611,982.44 - Step 5: Solve for x
x = 168,168,611,982.44/472,671.12 - Step 6: Final answer
x = 355,783.56
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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.