Finding the Fourth Proportional to 508,283.68, 762,430.99 and 153,300.78
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Solution
The fourth proportional to 508,283.68, 762,430.99 and 153,300.78 is: 229,952.82
Step by Step Solution
- Step 1: Write the proportion equation
508,283.68 : 762,430.99 = 153,300.78 : x - Step 2: Convert to fraction form
508,283.68/762,430.99 = 153,300.78/x - Step 3: Cross multiply
508,283.68x = 762,430.99 × 153,300.78 - Step 4: Simplify right side
508,283.68x = 116,881,265,463.17 - Step 5: Solve for x
x = 116,881,265,463.17/508,283.68 - Step 6: Final answer
x = 229,952.82
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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.