Finding the Fourth Proportional to 536,410.36, 740,368.26 and 355,129.08
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Solution
The fourth proportional to 536,410.36, 740,368.26 and 355,129.08 is: 490,158.88
Step by Step Solution
- Step 1: Write the proportion equation
536,410.36 : 740,368.26 = 355,129.08 : x - Step 2: Convert to fraction form
536,410.36/740,368.26 = 355,129.08/x - Step 3: Cross multiply
536,410.36x = 740,368.26 × 355,129.08 - Step 4: Simplify right side
536,410.36x = 262,926,299,035.00 - Step 5: Solve for x
x = 262,926,299,035.00/536,410.36 - Step 6: Final answer
x = 490,158.88
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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.