Finding the Fourth Proportional to 571,584.68, 857,368.10 and 139,307.08
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Solution
The fourth proportional to 571,584.68, 857,368.10 and 139,307.08 is: 208,958.45
Step by Step Solution
- Step 1: Write the proportion equation
571,584.68 : 857,368.10 = 139,307.08 : x - Step 2: Convert to fraction form
571,584.68/857,368.10 = 139,307.08/x - Step 3: Cross multiply
571,584.68x = 857,368.10 × 139,307.08 - Step 4: Simplify right side
571,584.68x = 119,437,446,496.15 - Step 5: Solve for x
x = 119,437,446,496.15/571,584.68 - Step 6: Final answer
x = 208,958.45
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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.