Finding the Fourth Proportional to 249,804.16, 344,960.96 and 160,536.96
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Solution
The fourth proportional to 249,804.16, 344,960.96 and 160,536.96 is: 221,689.60
Step by Step Solution
- Step 1: Write the proportion equation
249,804.16 : 344,960.96 = 160,536.96 : x - Step 2: Convert to fraction form
249,804.16/344,960.96 = 160,536.96/x - Step 3: Cross multiply
249,804.16x = 344,960.96 × 160,536.96 - Step 4: Simplify right side
249,804.16x = 55,378,983,837.08 - Step 5: Solve for x
x = 55,378,983,837.08/249,804.16 - Step 6: Final answer
x = 221,689.60
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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.