Finding the Fourth Proportional to 330,214.22, 455,743.76 and 185,029.82
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Solution
The fourth proportional to 330,214.22, 455,743.76 and 185,029.82 is: 255,368.12
Step by Step Solution
- Step 1: Write the proportion equation
330,214.22 : 455,743.76 = 185,029.82 : x - Step 2: Convert to fraction form
330,214.22/455,743.76 = 185,029.82/x - Step 3: Cross multiply
330,214.22x = 455,743.76 × 185,029.82 - Step 4: Simplify right side
330,214.22x = 84,326,182,675.06 - Step 5: Solve for x
x = 84,326,182,675.06/330,214.22 - Step 6: Final answer
x = 255,368.12
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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.