Finding the Fourth Proportional to 429,430.60, 592,602.84 and 238,439.08
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Solution
The fourth proportional to 429,430.60, 592,602.84 and 238,439.08 is: 329,039.61
Step by Step Solution
- Step 1: Write the proportion equation
429,430.60 : 592,602.84 = 238,439.08 : x - Step 2: Convert to fraction form
429,430.60/592,602.84 = 238,439.08/x - Step 3: Cross multiply
429,430.60x = 592,602.84 × 238,439.08 - Step 4: Simplify right side
429,430.60x = 141,299,675,974.99 - Step 5: Solve for x
x = 141,299,675,974.99/429,430.60 - Step 6: Final answer
x = 329,039.61
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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.