Finding the Fourth Proportional to 302,365.40, 453,110.70 and 133,747.70
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Solution
The fourth proportional to 302,365.40, 453,110.70 and 133,747.70 is: 200,428.07
Step by Step Solution
- Step 1: Write the proportion equation
302,365.40 : 453,110.70 = 133,747.70 : x - Step 2: Convert to fraction form
302,365.40/453,110.70 = 133,747.70/x - Step 3: Cross multiply
302,365.40x = 453,110.70 × 133,747.70 - Step 4: Simplify right side
302,365.40x = 60,602,513,970.39 - Step 5: Solve for x
x = 60,602,513,970.39/302,365.40 - Step 6: Final answer
x = 200,428.07
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1.5x scale
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.