Finding the Fourth Proportional to 225,303.84, 336,341.52 and 209,557.44
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Solution
The fourth proportional to 225,303.84, 336,341.52 and 209,557.44 is: 312,834.74
Step by Step Solution
- Step 1: Write the proportion equation
225,303.84 : 336,341.52 = 209,557.44 : x - Step 2: Convert to fraction form
225,303.84/336,341.52 = 209,557.44/x - Step 3: Cross multiply
225,303.84x = 336,341.52 × 209,557.44 - Step 4: Simplify right side
225,303.84x = 70,482,867,896.91 - Step 5: Solve for x
x = 70,482,867,896.91/225,303.84 - Step 6: Final answer
x = 312,834.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.