Finding the Fourth Proportional to 536,948.31, 805,228.71 and 157,767.62
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Solution
The fourth proportional to 536,948.31, 805,228.71 and 157,767.62 is: 236,594.50
Step by Step Solution
- Step 1: Write the proportion equation
536,948.31 : 805,228.71 = 157,767.62 : x - Step 2: Convert to fraction form
536,948.31/805,228.71 = 157,767.62/x - Step 3: Cross multiply
536,948.31x = 805,228.71 × 157,767.62 - Step 4: Simplify right side
536,948.31x = 127,039,014,934.17 - Step 5: Solve for x
x = 127,039,014,934.17/536,948.31 - Step 6: Final answer
x = 236,594.50
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1.5x scale
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.