Finding the Fourth Proportional to 575,860.64, 863,421.12 and 239,133.65
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Solution
The fourth proportional to 575,860.64, 863,421.12 and 239,133.65 is: 358,546.89
Step by Step Solution
- Step 1: Write the proportion equation
575,860.64 : 863,421.12 = 239,133.65 : x - Step 2: Convert to fraction form
575,860.64/863,421.12 = 239,133.65/x - Step 3: Cross multiply
575,860.64x = 863,421.12 × 239,133.65 - Step 4: Simplify right side
575,860.64x = 206,473,039,595.58 - Step 5: Solve for x
x = 206,473,039,595.58/575,860.64 - Step 6: Final answer
x = 358,546.89
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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.