Finding the Fourth Proportional to 575,345.21, 794,069.97 and 346,134.17
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Solution
The fourth proportional to 575,345.21, 794,069.97 and 346,134.17 is: 477,721.45
Step by Step Solution
- Step 1: Write the proportion equation
575,345.21 : 794,069.97 = 346,134.17 : x - Step 2: Convert to fraction form
575,345.21/794,069.97 = 346,134.17/x - Step 3: Cross multiply
575,345.21x = 794,069.97 × 346,134.17 - Step 4: Simplify right side
575,345.21x = 274,854,748,257.20 - Step 5: Solve for x
x = 274,854,748,257.20/575,345.21 - Step 6: Final answer
x = 477,721.45
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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.