Finding the Fourth Proportional to 266,998.51, 400,655.31 and 98,637.99
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Solution
The fourth proportional to 266,998.51, 400,655.31 and 98,637.99 is: 148,015.19
Step by Step Solution
- Step 1: Write the proportion equation
266,998.51 : 400,655.31 = 98,637.99 : x - Step 2: Convert to fraction form
266,998.51/400,655.31 = 98,637.99/x - Step 3: Cross multiply
266,998.51x = 400,655.31 × 98,637.99 - Step 4: Simplify right side
266,998.51x = 39,519,834,461.23 - Step 5: Solve for x
x = 39,519,834,461.23/266,998.51 - Step 6: Final answer
x = 148,015.19
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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.