Finding the Fourth Proportional to 399,603.58, 596,490.27 and 349,157.69
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Solution
The fourth proportional to 399,603.58, 596,490.27 and 349,157.69 is: 521,189.44
Step by Step Solution
- Step 1: Write the proportion equation
399,603.58 : 596,490.27 = 349,157.69 : x - Step 2: Convert to fraction form
399,603.58/596,490.27 = 349,157.69/x - Step 3: Cross multiply
399,603.58x = 596,490.27 × 349,157.69 - Step 4: Simplify right side
399,603.58x = 208,269,167,581.24 - Step 5: Solve for x
x = 208,269,167,581.24/399,603.58 - Step 6: Final answer
x = 521,189.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.