Finding the Fourth Proportional to 249,101.02, 343,806.28 and 156,009.88
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Solution
The fourth proportional to 249,101.02, 343,806.28 and 156,009.88 is: 215,322.99
Step by Step Solution
- Step 1: Write the proportion equation
249,101.02 : 343,806.28 = 156,009.88 : x - Step 2: Convert to fraction form
249,101.02/343,806.28 = 156,009.88/x - Step 3: Cross multiply
249,101.02x = 343,806.28 × 156,009.88 - Step 4: Simplify right side
249,101.02x = 53,637,176,486.05 - Step 5: Solve for x
x = 53,637,176,486.05/249,101.02 - Step 6: Final answer
x = 215,322.99
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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.