Finding the Fourth Proportional to 402,752.16, 555,659.65 and 249,735.26
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Solution
The fourth proportional to 402,752.16, 555,659.65 and 249,735.26 is: 344,548.88
Step by Step Solution
- Step 1: Write the proportion equation
402,752.16 : 555,659.65 = 249,735.26 : x - Step 2: Convert to fraction form
402,752.16/555,659.65 = 249,735.26/x - Step 3: Cross multiply
402,752.16x = 555,659.65 × 249,735.26 - Step 4: Simplify right side
402,752.16x = 138,767,807,164.26 - Step 5: Solve for x
x = 138,767,807,164.26/402,752.16 - Step 6: Final answer
x = 344,548.88
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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.