Finding the Fourth Proportional to 369,746.61, 554,681.26 and 129,798.31
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Solution
The fourth proportional to 369,746.61, 554,681.26 and 129,798.31 is: 194,719.00
Step by Step Solution
- Step 1: Write the proportion equation
369,746.61 : 554,681.26 = 129,798.31 : x - Step 2: Convert to fraction form
369,746.61/554,681.26 = 129,798.31/x - Step 3: Cross multiply
369,746.61x = 554,681.26 × 129,798.31 - Step 4: Simplify right side
369,746.61x = 71,996,690,136.67 - Step 5: Solve for x
x = 71,996,690,136.67/369,746.61 - Step 6: Final answer
x = 194,719.00
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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.