Finding the Fourth Proportional to 273,012,125.10, 409,518,187.65 and 119,957,117.10
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Solution
The fourth proportional to 273,012,125.10, 409,518,187.65 and 119,957,117.10 is: 179,935,675.65
Step by Step Solution
- Step 1: Write the proportion equation
273,012,125.10 : 409,518,187.65 = 119,957,117.10 : x - Step 2: Convert to fraction form
273,012,125.10/409,518,187.65 = 119,957,117.10/x - Step 3: Cross multiply
273,012,125.10x = 409,518,187.65 × 119,957,117.10 - Step 4: Simplify right side
273,012,125.10x = 49,124,621,190,510,816 - Step 5: Solve for x
x = 49,124,621,190,510,816/273,012,125.10 - Step 6: Final answer
x = 179,935,675.65
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1.5x scale
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.