Finding the Fourth Proportional to 180,492.09, 249,078.08 and 98,827.76
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Solution
The fourth proportional to 180,492.09, 249,078.08 and 98,827.76 is: 136,381.75
Step by Step Solution
- Step 1: Write the proportion equation
180,492.09 : 249,078.08 = 98,827.76 : x - Step 2: Convert to fraction form
180,492.09/249,078.08 = 98,827.76/x - Step 3: Cross multiply
180,492.09x = 249,078.08 × 98,827.76 - Step 4: Simplify right side
180,492.09x = 24,615,826,971.97 - Step 5: Solve for x
x = 24,615,826,971.97/180,492.09 - Step 6: Final answer
x = 136,381.75
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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.