Finding the Fourth Proportional to 249,671.84, 344,547.14 and 136,494.59
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Solution
The fourth proportional to 249,671.84, 344,547.14 and 136,494.59 is: 188,362.53
Step by Step Solution
- Step 1: Write the proportion equation
249,671.84 : 344,547.14 = 136,494.59 : x - Step 2: Convert to fraction form
249,671.84/344,547.14 = 136,494.59/x - Step 3: Cross multiply
249,671.84x = 344,547.14 × 136,494.59 - Step 4: Simplify right side
249,671.84x = 47,028,818,204.76 - Step 5: Solve for x
x = 47,028,818,204.76/249,671.84 - Step 6: Final answer
x = 188,362.53
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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.