Finding the Fourth Proportional to 180,902.16, 249,656.99 and 100,333.08
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Solution
The fourth proportional to 180,902.16, 249,656.99 and 100,333.08 is: 138,466.31
Step by Step Solution
- Step 1: Write the proportion equation
180,902.16 : 249,656.99 = 100,333.08 : x - Step 2: Convert to fraction form
180,902.16/249,656.99 = 100,333.08/x - Step 3: Cross multiply
180,902.16x = 249,656.99 × 100,333.08 - Step 4: Simplify right side
180,902.16x = 25,048,854,248.56 - Step 5: Solve for x
x = 25,048,854,248.56/180,902.16 - Step 6: Final answer
x = 138,466.31
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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.