Finding the Fourth Proportional to 368,113.52, 507,983.54 and 206,977.80
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Solution
The fourth proportional to 368,113.52, 507,983.54 and 206,977.80 is: 285,621.99
Step by Step Solution
- Step 1: Write the proportion equation
368,113.52 : 507,983.54 = 206,977.80 : x - Step 2: Convert to fraction form
368,113.52/507,983.54 = 206,977.80/x - Step 3: Cross multiply
368,113.52x = 507,983.54 × 206,977.80 - Step 4: Simplify right side
368,113.52x = 105,141,315,545.41 - Step 5: Solve for x
x = 105,141,315,545.41/368,113.52 - Step 6: Final answer
x = 285,621.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.