Finding the Fourth Proportional to 249,765.16, 344,675.73 and 136,587.88
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Solution
The fourth proportional to 249,765.16, 344,675.73 and 136,587.88 is: 188,491.17
Step by Step Solution
- Step 1: Write the proportion equation
249,765.16 : 344,675.73 = 136,587.88 : x - Step 2: Convert to fraction form
249,765.16/344,675.73 = 136,587.88/x - Step 3: Cross multiply
249,765.16x = 344,675.73 × 136,587.88 - Step 4: Simplify right side
249,765.16x = 47,078,527,248.15 - Step 5: Solve for x
x = 47,078,527,248.15/249,765.16 - Step 6: Final answer
x = 188,491.17
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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.