Finding the Fourth Proportional to 288,830.80, 432,785.40 and 241,829.20
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Solution
The fourth proportional to 288,830.80, 432,785.40 and 241,829.20 is: 362,357.99
Step by Step Solution
- Step 1: Write the proportion equation
288,830.80 : 432,785.40 = 241,829.20 : x - Step 2: Convert to fraction form
288,830.80/432,785.40 = 241,829.20/x - Step 3: Cross multiply
288,830.80x = 432,785.40 × 241,829.20 - Step 4: Simplify right side
288,830.80x = 104,660,147,053.68 - Step 5: Solve for x
x = 104,660,147,053.68/288,830.80 - Step 6: Final answer
x = 362,357.99
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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.