Finding the Fourth Proportional to 376,482.24, 564,821.28 and 139,893.12
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Solution
The fourth proportional to 376,482.24, 564,821.28 and 139,893.12 is: 209,876.07
Step by Step Solution
- Step 1: Write the proportion equation
376,482.24 : 564,821.28 = 139,893.12 : x - Step 2: Convert to fraction form
376,482.24/564,821.28 = 139,893.12/x - Step 3: Cross multiply
376,482.24x = 564,821.28 × 139,893.12 - Step 4: Simplify right side
376,482.24x = 79,014,611,101.59 - Step 5: Solve for x
x = 79,014,611,101.59/376,482.24 - Step 6: Final answer
x = 209,876.07
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1.5x scale
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.