Finding the Fourth Proportional to 489,952.96, 735,209.68 and 190,394.40
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Solution
The fourth proportional to 489,952.96, 735,209.68 and 190,394.40 is: 285,700.50
Step by Step Solution
- Step 1: Write the proportion equation
489,952.96 : 735,209.68 = 190,394.40 : x - Step 2: Convert to fraction form
489,952.96/735,209.68 = 190,394.40/x - Step 3: Cross multiply
489,952.96x = 735,209.68 × 190,394.40 - Step 4: Simplify right side
489,952.96x = 139,979,805,897.79 - Step 5: Solve for x
x = 139,979,805,897.79/489,952.96 - Step 6: Final answer
x = 285,700.50
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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.