Finding the Fourth Proportional to 319,225.07, 440,533.99 and 175,990.24
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Solution
The fourth proportional to 319,225.07, 440,533.99 and 175,990.24 is: 242,868.40
Step by Step Solution
- Step 1: Write the proportion equation
319,225.07 : 440,533.99 = 175,990.24 : x - Step 2: Convert to fraction form
319,225.07/440,533.99 = 175,990.24/x - Step 3: Cross multiply
319,225.07x = 440,533.99 × 175,990.24 - Step 4: Simplify right side
319,225.07x = 77,529,683,178.23 - Step 5: Solve for x
x = 77,529,683,178.23/319,225.07 - Step 6: Final answer
x = 242,868.40
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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.