Finding the Fourth Proportional to 251,070.06, 346,475.58 and 136,347.81
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Solution
The fourth proportional to 251,070.06, 346,475.58 and 136,347.81 is: 188,159.37
Step by Step Solution
- Step 1: Write the proportion equation
251,070.06 : 346,475.58 = 136,347.81 : x - Step 2: Convert to fraction form
251,070.06/346,475.58 = 136,347.81/x - Step 3: Cross multiply
251,070.06x = 346,475.58 × 136,347.81 - Step 4: Simplify right side
251,070.06x = 47,241,184,740.89 - Step 5: Solve for x
x = 47,241,184,740.89/251,070.06 - Step 6: Final answer
x = 188,159.37
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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.