Finding the Fourth Proportional to 492,603.58, 679,792.61 and 266,249.08
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Solution
The fourth proportional to 492,603.58, 679,792.61 and 266,249.08 is: 367,423.56
Step by Step Solution
- Step 1: Write the proportion equation
492,603.58 : 679,792.61 = 266,249.08 : x - Step 2: Convert to fraction form
492,603.58/679,792.61 = 266,249.08/x - Step 3: Cross multiply
492,603.58x = 679,792.61 × 266,249.08 - Step 4: Simplify right side
492,603.58x = 180,994,159,371.06 - Step 5: Solve for x
x = 180,994,159,371.06/492,603.58 - Step 6: Final answer
x = 367,423.56
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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.