Finding the Fourth Proportional to 210,124.02, 289,931.49 and 125,248.98
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Solution
The fourth proportional to 210,124.02, 289,931.49 and 125,248.98 is: 172,819.95
Step by Step Solution
- Step 1: Write the proportion equation
210,124.02 : 289,931.49 = 125,248.98 : x - Step 2: Convert to fraction form
210,124.02/289,931.49 = 125,248.98/x - Step 3: Cross multiply
210,124.02x = 289,931.49 × 125,248.98 - Step 4: Simplify right side
210,124.02x = 36,313,623,392.38 - Step 5: Solve for x
x = 36,313,623,392.38/210,124.02 - Step 6: Final answer
x = 172,819.95
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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.