Finding the Fourth Proportional to 147,053.34, 202,878.63 and 86,587.02
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Solution
The fourth proportional to 147,053.34, 202,878.63 and 86,587.02 is: 119,457.72
Step by Step Solution
- Step 1: Write the proportion equation
147,053.34 : 202,878.63 = 86,587.02 : x - Step 2: Convert to fraction form
147,053.34/202,878.63 = 86,587.02/x - Step 3: Cross multiply
147,053.34x = 202,878.63 × 86,587.02 - Step 4: Simplify right side
147,053.34x = 17,566,655,993.38 - Step 5: Solve for x
x = 17,566,655,993.38/147,053.34 - Step 6: Final answer
x = 119,457.72
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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.