Finding the Fourth Proportional to 430,349.04, 645,078.96 and 164,038.08
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Solution
The fourth proportional to 430,349.04, 645,078.96 and 164,038.08 is: 245,887.65
Step by Step Solution
- Step 1: Write the proportion equation
430,349.04 : 645,078.96 = 164,038.08 : x - Step 2: Convert to fraction form
430,349.04/645,078.96 = 164,038.08/x - Step 3: Cross multiply
430,349.04x = 645,078.96 × 164,038.08 - Step 4: Simplify right side
430,349.04x = 105,817,514,046.80 - Step 5: Solve for x
x = 105,817,514,046.80/430,349.04 - Step 6: Final answer
x = 245,887.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.