Finding the Fourth Proportional to 180,967.57, 249,707.10 and 103,442.06
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Solution
The fourth proportional to 180,967.57, 249,707.10 and 103,442.06 is: 142,733.96
Step by Step Solution
- Step 1: Write the proportion equation
180,967.57 : 249,707.10 = 103,442.06 : x - Step 2: Convert to fraction form
180,967.57/249,707.10 = 103,442.06/x - Step 3: Cross multiply
180,967.57x = 249,707.10 × 103,442.06 - Step 4: Simplify right side
180,967.57x = 25,830,217,832.80 - Step 5: Solve for x
x = 25,830,217,832.80/180,967.57 - Step 6: Final answer
x = 142,733.96
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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.