Finding the Fourth Proportional to 233,239.99, 321,970.50 and 156,803.42
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Solution
The fourth proportional to 233,239.99, 321,970.50 and 156,803.42 is: 216,455.49
Step by Step Solution
- Step 1: Write the proportion equation
233,239.99 : 321,970.50 = 156,803.42 : x - Step 2: Convert to fraction form
233,239.99/321,970.50 = 156,803.42/x - Step 3: Cross multiply
233,239.99x = 321,970.50 × 156,803.42 - Step 4: Simplify right side
233,239.99x = 50,486,075,539.11 - Step 5: Solve for x
x = 50,486,075,539.11/233,239.99 - Step 6: Final answer
x = 216,455.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.