Finding the Fourth Proportional to 433,503.99, 598,221.99 and 239,900.05
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Solution
The fourth proportional to 433,503.99, 598,221.99 and 239,900.05 is: 331,054.59
Step by Step Solution
- Step 1: Write the proportion equation
433,503.99 : 598,221.99 = 239,900.05 : x - Step 2: Convert to fraction form
433,503.99/598,221.99 = 239,900.05/x - Step 3: Cross multiply
433,503.99x = 598,221.99 × 239,900.05 - Step 4: Simplify right side
433,503.99x = 143,513,485,312.10 - Step 5: Solve for x
x = 143,513,485,312.10/433,503.99 - Step 6: Final answer
x = 331,054.59
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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.