Finding the Fourth Proportional to 330,319.62, 455,838.57 and 179,417.70
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Solution
The fourth proportional to 330,319.62, 455,838.57 and 179,417.70 is: 247,595.07
Step by Step Solution
- Step 1: Write the proportion equation
330,319.62 : 455,838.57 = 179,417.70 : x - Step 2: Convert to fraction form
330,319.62/455,838.57 = 179,417.70/x - Step 3: Cross multiply
330,319.62x = 455,838.57 × 179,417.70 - Step 4: Simplify right side
330,319.62x = 81,785,507,800.69 - Step 5: Solve for x
x = 81,785,507,800.69/330,319.62 - Step 6: Final answer
x = 247,595.07
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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.