Finding the Fourth Proportional to 535,503.91, 803,242.62 and 130,699.12
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Solution
The fourth proportional to 535,503.91, 803,242.62 and 130,699.12 is: 196,045.45
Step by Step Solution
- Step 1: Write the proportion equation
535,503.91 : 803,242.62 = 130,699.12 : x - Step 2: Convert to fraction form
535,503.91/803,242.62 = 130,699.12/x - Step 3: Cross multiply
535,503.91x = 803,242.62 × 130,699.12 - Step 4: Simplify right side
535,503.91x = 104,983,103,580.49 - Step 5: Solve for x
x = 104,983,103,580.49/535,503.91 - Step 6: Final answer
x = 196,045.45
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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.