Finding the Fourth Proportional to 403,534.08, 605,305.98 and 137,300.04
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Solution
The fourth proportional to 403,534.08, 605,305.98 and 137,300.04 is: 205,951.71
Step by Step Solution
- Step 1: Write the proportion equation
403,534.08 : 605,305.98 = 137,300.04 : x - Step 2: Convert to fraction form
403,534.08/605,305.98 = 137,300.04/x - Step 3: Cross multiply
403,534.08x = 605,305.98 × 137,300.04 - Step 4: Simplify right side
403,534.08x = 83,108,535,266.24 - Step 5: Solve for x
x = 83,108,535,266.24/403,534.08 - Step 6: Final answer
x = 205,951.71
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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.