Finding the Fourth Proportional to 276,053.63, 380,950.35 and 153,545.18
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Solution
The fourth proportional to 276,053.63, 380,950.35 and 153,545.18 is: 211,890.31
Step by Step Solution
- Step 1: Write the proportion equation
276,053.63 : 380,950.35 = 153,545.18 : x - Step 2: Convert to fraction form
276,053.63/380,950.35 = 153,545.18/x - Step 3: Cross multiply
276,053.63x = 380,950.35 × 153,545.18 - Step 4: Simplify right side
276,053.63x = 58,493,088,157.06 - Step 5: Solve for x
x = 58,493,088,157.06/276,053.63 - Step 6: Final answer
x = 211,890.31
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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.