Finding the Fourth Proportional to 180,536.64, 249,148.35 and 99,964.14
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Solution
The fourth proportional to 180,536.64, 249,148.35 and 99,964.14 is: 137,954.82
Step by Step Solution
- Step 1: Write the proportion equation
180,536.64 : 249,148.35 = 99,964.14 : x - Step 2: Convert to fraction form
180,536.64/249,148.35 = 99,964.14/x - Step 3: Cross multiply
180,536.64x = 249,148.35 × 99,964.14 - Step 4: Simplify right side
180,536.64x = 24,905,900,540.17 - Step 5: Solve for x
x = 24,905,900,540.17/180,536.64 - Step 6: Final answer
x = 137,954.82
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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.