Finding the Fourth Proportional to 403,266.45, 604,899.68 and 122,783.70
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Solution
The fourth proportional to 403,266.45, 604,899.68 and 122,783.70 is: 184,175.55
Step by Step Solution
- Step 1: Write the proportion equation
403,266.45 : 604,899.68 = 122,783.70 : x - Step 2: Convert to fraction form
403,266.45/604,899.68 = 122,783.70/x - Step 3: Cross multiply
403,266.45x = 604,899.68 × 122,783.70 - Step 4: Simplify right side
403,266.45x = 74,271,820,225.30 - Step 5: Solve for x
x = 74,271,820,225.30/403,266.45 - Step 6: Final answer
x = 184,175.55
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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.