Finding the Fourth Proportional to 178,547.19, 246,386.83 and 97,972.71
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Solution
The fourth proportional to 178,547.19, 246,386.83 and 97,972.71 is: 135,197.79
Step by Step Solution
- Step 1: Write the proportion equation
178,547.19 : 246,386.83 = 97,972.71 : x - Step 2: Convert to fraction form
178,547.19/246,386.83 = 97,972.71/x - Step 3: Cross multiply
178,547.19x = 246,386.83 × 97,972.71 - Step 4: Simplify right side
178,547.19x = 24,139,185,443.41 - Step 5: Solve for x
x = 24,139,185,443.41/178,547.19 - Step 6: Final answer
x = 135,197.79
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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.