Finding the Fourth Proportional to 483,506.49, 725,266.35 and 128,518.68
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Solution
The fourth proportional to 483,506.49, 725,266.35 and 128,518.68 is: 192,779.78
Step by Step Solution
- Step 1: Write the proportion equation
483,506.49 : 725,266.35 = 128,518.68 : x - Step 2: Convert to fraction form
483,506.49/725,266.35 = 128,518.68/x - Step 3: Cross multiply
483,506.49x = 725,266.35 × 128,518.68 - Step 4: Simplify right side
483,506.49x = 93,210,273,950.42 - Step 5: Solve for x
x = 93,210,273,950.42/483,506.49 - Step 6: Final answer
x = 192,779.78
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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.