Finding the Fourth Proportional to 489,539.64, 734,315.94 and 190,037.28
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Solution
The fourth proportional to 489,539.64, 734,315.94 and 190,037.28 is: 285,058.44
Step by Step Solution
- Step 1: Write the proportion equation
489,539.64 : 734,315.94 = 190,037.28 : x - Step 2: Convert to fraction form
489,539.64/734,315.94 = 190,037.28/x - Step 3: Cross multiply
489,539.64x = 734,315.94 × 190,037.28 - Step 4: Simplify right side
489,539.64x = 139,547,403,898.24 - Step 5: Solve for x
x = 139,547,403,898.24/489,539.64 - Step 6: Final answer
x = 285,058.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.