Finding the Fourth Proportional to 282,878.94, 424,318.41 and 133,026.06
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Solution
The fourth proportional to 282,878.94, 424,318.41 and 133,026.06 is: 199,539.09
Step by Step Solution
- Step 1: Write the proportion equation
282,878.94 : 424,318.41 = 133,026.06 : x - Step 2: Convert to fraction form
282,878.94/424,318.41 = 133,026.06/x - Step 3: Cross multiply
282,878.94x = 424,318.41 × 133,026.06 - Step 4: Simplify right side
282,878.94x = 56,445,406,267.76 - Step 5: Solve for x
x = 56,445,406,267.76/282,878.94 - Step 6: Final answer
x = 199,539.09
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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.