Finding the Fourth Proportional to 371,417.84, 557,348.13 and 134,778.98
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Solution
The fourth proportional to 371,417.84, 557,348.13 and 134,778.98 is: 202,248.80
Step by Step Solution
- Step 1: Write the proportion equation
371,417.84 : 557,348.13 = 134,778.98 : x - Step 2: Convert to fraction form
371,417.84/557,348.13 = 134,778.98/x - Step 3: Cross multiply
371,417.84x = 557,348.13 × 134,778.98 - Step 4: Simplify right side
371,417.84x = 75,118,812,466.31 - Step 5: Solve for x
x = 75,118,812,466.31/371,417.84 - Step 6: Final answer
x = 202,248.80
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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.