Finding the Fourth Proportional to 342,335.63, 472,263.98 and 221,515.92
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Solution
The fourth proportional to 342,335.63, 472,263.98 and 221,515.92 is: 305,588.96
Step by Step Solution
- Step 1: Write the proportion equation
342,335.63 : 472,263.98 = 221,515.92 : x - Step 2: Convert to fraction form
342,335.63/472,263.98 = 221,515.92/x - Step 3: Cross multiply
342,335.63x = 472,263.98 × 221,515.92 - Step 4: Simplify right side
342,335.63x = 104,613,988,904.98 - Step 5: Solve for x
x = 104,613,988,904.98/342,335.63 - Step 6: Final answer
x = 305,588.96
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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.