Finding the Fourth Proportional to 251,431.04, 346,970.99 and 136,708.76
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Solution
The fourth proportional to 251,431.04, 346,970.99 and 136,708.76 is: 188,656.00
Step by Step Solution
- Step 1: Write the proportion equation
251,431.04 : 346,970.99 = 136,708.76 : x - Step 2: Convert to fraction form
251,431.04/346,970.99 = 136,708.76/x - Step 3: Cross multiply
251,431.04x = 346,970.99 × 136,708.76 - Step 4: Simplify right side
251,431.04x = 47,433,973,798.87 - Step 5: Solve for x
x = 47,433,973,798.87/251,431.04 - Step 6: Final answer
x = 188,656.00
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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.