Finding the Fourth Proportional to 838,637.08, 1,257,966.55 and 239,617.78
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Solution
The fourth proportional to 838,637.08, 1,257,966.55 and 239,617.78 is: 359,429.79
Step by Step Solution
- Step 1: Write the proportion equation
838,637.08 : 1,257,966.55 = 239,617.78 : x - Step 2: Convert to fraction form
838,637.08/1,257,966.55 = 239,617.78/x - Step 3: Cross multiply
838,637.08x = 1,257,966.55 × 239,617.78 - Step 4: Simplify right side
838,637.08x = 301,431,152,025.26 - Step 5: Solve for x
x = 301,431,152,025.26/838,637.08 - Step 6: Final answer
x = 359,429.79
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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.