Finding the Fourth Proportional to 357,551.38, 536,326.56 and 91,312.06
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Solution
The fourth proportional to 357,551.38, 536,326.56 and 91,312.06 is: 136,967.96
Step by Step Solution
- Step 1: Write the proportion equation
357,551.38 : 536,326.56 = 91,312.06 : x - Step 2: Convert to fraction form
357,551.38/536,326.56 = 91,312.06/x - Step 3: Cross multiply
357,551.38x = 536,326.56 × 91,312.06 - Step 4: Simplify right side
357,551.38x = 48,973,083,026.31 - Step 5: Solve for x
x = 48,973,083,026.31/357,551.38 - Step 6: Final answer
x = 136,967.96
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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.