Finding the Fourth Proportional to 637,030.98, 879,139.05 and 365,144.10
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Solution
The fourth proportional to 637,030.98, 879,139.05 and 365,144.10 is: 503,919.66
Step by Step Solution
- Step 1: Write the proportion equation
637,030.98 : 879,139.05 = 365,144.10 : x - Step 2: Convert to fraction form
637,030.98/879,139.05 = 365,144.10/x - Step 3: Cross multiply
637,030.98x = 879,139.05 × 365,144.10 - Step 4: Simplify right side
637,030.98x = 321,012,437,187.11 - Step 5: Solve for x
x = 321,012,437,187.11/637,030.98 - Step 6: Final answer
x = 503,919.66
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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.