Finding the Fourth Proportional to 302,258.18, 417,228.57 and 259,645.70
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Solution
The fourth proportional to 302,258.18, 417,228.57 and 259,645.70 is: 358,407.52
Step by Step Solution
- Step 1: Write the proportion equation
302,258.18 : 417,228.57 = 259,645.70 : x - Step 2: Convert to fraction form
302,258.18/417,228.57 = 259,645.70/x - Step 3: Cross multiply
302,258.18x = 417,228.57 × 259,645.70 - Step 4: Simplify right side
302,258.18x = 108,331,604,117.65 - Step 5: Solve for x
x = 108,331,604,117.65/302,258.18 - Step 6: Final answer
x = 358,407.52
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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.